Ürünlerimiz

• Ana Sayfa
• Ürünlerimiz

ABCDEFGHIJKLMNOPQRSTUVWXYZ

A

Azithromycin Impurity A

Catalogue No.: EZA0006CAS No. : 76801-85-9Mol. Formula :C37H70N2O12Mol. Weight :734,96Synonym(s) :N6-Demethylazithromycin; Desmethylazithromycin ; 9-Deoxo-9a-aza-9a-homo Erythromycin A ; Azaerythromycin A ; Azathramycin

Azithromycin Impurity B

Catalogue No.: EZA0007CAS No. : 307974-61-4 Mol. Formula :C38H72N2O11Mol. Weight :732,98Synonym(s) :3-Deoxyazithromycin ; 3-Deshydroxy Azithromycin ;

Azithromycin Impurity E

Catalogue No.: EZA0009CAS No. : 612069-27-9Mol. Formula :C36H68N2O12Mol. Weight :720,5Synonym(s) :Amino Azithromycin ; 3′-(N,N-Didemethyl)azithromycin ;

Azithromycin N-oxide

Catalogue No.: EZA0014CAS No. : 90503-06-3Mol. Formula :C₃₈H₇₂N₂O₁₃ Mol. Weight :764,98Synonym(s) :Azithromycin EP Impurity L; Azithromycin Impurity L / USP RRT - 0.29

Albendazole Sulfoxide

Catalogue No.: EZA0016CAS No. : 54029-12-8Mol. Formula :C12H15N3O3SMol. Weight :281,33Synonym(s) :methyl N-(6-propylsulfinyl-1H-benzimidazol-2-yl)carbamate  

Armodafinil Impurity A

Catalogue No.: EZA0057CAS No. : N/AMol. Formula :C15H14O3SMol. Weight :274,33Synonym(s) :Benzyhydrylsulfinylacetic acid;(Benzhydrylsulfinyl)acetic acid;2-Benzhydrylsulphinylacetic acid;

Armodafinil Impurity B

Catalogue No.: EZA0058CAS No. : 63547-22-8Mol. Formula :C15H14O2SMol. Weight :258,34Synonym(s) :Benzhydrylsulfanyl Acetic Acid;2-Phenyl Methylthio Acetic Acid;

Armodafinil Impurity C

Catalogue No.: EZA0059CAS No. : 118779-53-6Mol. Formula :C15H15NO3SMol. Weight :289,35Synonym(s) :2-[(Diphenyl methyl)sulfonyl] acetamide

Aminoquat (Colsevelam Impurity)

Catalogue No.: EZA0082CAS No. : 33968-67-1Mol. Formula : C9H23BrN2 Mol. Weight :239,2Synonym(s) : 1-​Hexanaminium, 6-​amino-​N,​N,​N-​trimethyl-​, bromide, hydrobromide; (6-Aminohexyl)trimethylammonium bromide, 

Amlodipine Impurity

Catalogue No.: EZA0130CAS No. : 88150-62-3Mol. Formula : C25H34ClNO6 Mol. Weight :480,01Synonym(s) : 3-ethyl 5-methyl 4-(2-chlorophenyl)-2-((2-(1,3-dioxoisoindolin-2-yl)ethoxy)methyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate

Amlodipine

Catalogue No.: EZA0131CAS No. : 88150-42-9Mol. Formula : C₂₀H₂₅ClN₂O₅Mol. Weight :408,88Synonym(s) : 2-[(2-Aminoethoxy)methyl]-4-(2-chlorophenyl)-3-ethoxycarbonyl-5-methoxycarbonyl)-6-methyl-1,4-dihydropyridine;

Abiraterone Chloro Impurity

Catalogue No.: EZA0134CAS No. : N/AMol. Formula : C21H30O3Mol. Weight :330,47Synonym(s) : 3-β-Acetoxy-5-androsten-17-one, Prasterone acetate

Ambrisentan Impurity B

Catalogue No.: EZA0156CAS No. : 1106685-84-0Mol. Formula : C22H22N2O5Mol. Weight :394,4Synonym(s) : (S)-2-(1-carboxy-2-methoxy-2,2-diphenylethoxy)-4,6-dimethylpyrimidine 1-oxide;

Atrovastatin Lactone Diepoxide

Catalogue No.: EZA0157CAS No. : 1046118-40-4Mol. Formula : C₃₃H₃₃FN₂O₆ Mol. Weight :572,62Synonym(s) : 4-(4-Fluorophenyl)-6-(1-methylethyl)-N,2-diphenyl-5-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl]-3,7-dioxa-5-azatricyclo[4.1.0.02,4]heptane-1-carboxamide;

Acyclovir Impurity G

Catalogue No.: EZA0177CAS No. : 75128-73-3Mol. Formula : C12H15N5O5 Mol. Weight :309,28Synonym(s) : Acyclovir N,O-Diacetate ; 2-[[2-(Acetylamino)-6-oxo-1,6-dihydro-9H-purin-9-yl]methoxy]ethyl acetate

Acyclovir Impurity I

Catalogue No.: EZA0178CAS No. : 1797832-75-7Mol. Formula : C14H16N10O4Mol. Weight :388,34Synonym(s) : 2-amino-9-((2-((2-amino-6-oxo-1,6-dihydro-7H-purin-7-yl)methoxy)ethoxy)methyl)-1,9-dihydro-6H-purin-6-one

Acyclovir Impurity O

Catalogue No.: EZA0179CAS No. : N/AMol. Formula : C9H13N5O4Mol. Weight : 255.23Synonym(s) : 2-Amino-1,7-dihydro-7-[(2-hydroxyethoxy)methyl]-6H-purin-6-one; N7-[(2-Hydroxyethoxy)methyl)guanine;

Acyclovir Impurity N

Catalogue No.: EZA0180CAS No. : N/AMol. Formula : C13H17N5O6Mol. Weight : 339.30Synonym(s) : (2-((2-acetamido-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)ethoxy)methyl acetate

Acyclovir Impurity J

Catalogue No.: EZA0181CAS No. : 166762-90-9Mol. Formula : C14H16N10O4Mol. Weight :388,35Synonym(s) : 9,9'-((ethane-1,2-diylbis(oxy))bis(methylene))bis(2-amino-1,9-dihydro-6H-purin-6-one)

Atorvastatin Impurity I

Catalogue No.: EZA0182CAS No. : 125971-95-1 Mol. Formula : C40H47FN2O5Mol. Weight :654,81Synonym(s) : (4R,6R)-6-[2-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetic Acid 1,1-Dimethylethyl Ester

Atorvastatin Impurity A

Catalogue No.: EZA0202CAS No. : 433289-84-0Mol. Formula : C33H35N2NaO5Mol. Weight :562,63Synonym(s) : Atorvastatin EP Impurity A (Sodium Salt) ; Atorvastatin USP Related Compound A ; Desfluoro Atorvastatin Sodium ;

Atorvastatin Impurity C

Catalogue No.: EZA0203CAS No. : 693794-20-6Mol. Formula : C33H33F2N2NaO5 Mol. Weight :598,61Synonym(s) : (βR,δR)-2,3-Bis(4-fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic acid hemicalcium salt

Atorvastatin Impurity B

Catalogue No.: EZA0204CAS No. : 887196-25-0Mol. Formula : C33H34Ca0.5FN2O5Mol. Weight :577,67Synonym(s) : (βR,δR)-2-(4-Fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic acid hemicalcium salt

Amlodipine EP Impurity A

Catalogue No.: EZA0224CAS No. : 88150-62-3Mol. Formula :C20H23ClN2O5Mol. Weight :406Synonym(s) : 2-[(2-Aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-3,5-pyridinedicarboxylic Acid 3-Ethyl 5-Methyl Ester

Amlodipine EP Impurity B

Catalogue No.: EZA0225CAS No. : 721958-72-1Mol. Formula : C29H32ClN3O7 Mol. Weight :570,03Synonym(s) : 3-Ethyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-[[2- [[2-(methylcarbamoyl)benzoyl]amino]ethoxy]methyl]-1,4- dihydropyridine-3,5-dicarboxylate ;

Amlodipine Methyl Ester

Catalogue No.: EZA0226CAS No. : N/AMol. Formula : C25H31ClN2O9Mol. Weight :538,98Synonym(s) : 3,5-Pyridinedicarboxylic acid, 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-, 5-methyl ester ;

Amlodipine Impurity D

Catalogue No.: EZA0227CAS No. : 113994-41-5Mol. Formula : C20H23ClN2O5Mol. Weight :406,86Synonym(s) : 3-Ethyl 5-methyl 2-[(2-aminoethoxy)methyl]-4-(2- chlorophenyl)-6-methylpyridine-3,5-dicarboxylate oxalate salt ;

Atorvastatin Epoxy Pyrrolooxazin 7-hydroxy Analog (Atorvastatin FX1 Impurity

Catalogue No.: EZA0229CAS No. : 1315629-79-8Mol. Formula : C33H34FN2NaO7 Mol. Weight :612,62Synonym(s) : 1b-(4-Fluorophenyl)hexahydro-β,7-dihydroxy-7-(1-methylethyl)-1a-phenyl-7a-[(phenylamino)carbonyl]-3H-oxireno[3,4]pyrrolo[2,1-b][1,3]oxazine-3-butanoic acid sodium salt ;

Atorvastatin FXA Impurity

Catalogue No.: EZA0231CAS No. : 1316291-19-6Mol. Formula : C33H34FN2NaO7  Mol. Weight : 612.62 Synonym(s) : 4-{6-(4-Fluorophenyl)-7,8-epoxy-6-hydroxy-8a-isopropyl-7-phenyl-8-(phenylcarbamoyl)hexahydro-2H -pyrrolo[2,1-b][1,3]oxazin-2-yl}-3-hydroxybutanoic acid sodium salt ;

Amiodarone Impurity A

Catalogue No.: EZA0242CAS No. : 23551-25-9Mol. Formula : C₂₅H₃₁NO₃ Mol. Weight :393,52Synonym(s) : (2-Butyl-3-benzofuranyl)[4-[2-(diethylamino)ethoxy]phenyl]methanone; 

Amiodarone Impurity B

Catalogue No.: EZA0243CAS No. : 96027-74-6Mol. Formula : C₂₃H₂₆ClI₂NO₃Mol. Weight :653,72Synonym(s) : 2-Butyl-3-benzofuranyl-4-[2-(ethylamino)ethoxy]-3,5-diiodophenyl Ketone Hydrochloride; 

Amiodarone Impurity C

Catalogue No.: EZA0244CAS No. : 85642-08-6Mol. Formula : C₂₅H₃₀INO₃ Mol. Weight :519,42Synonym(s) : (2-Butyl-3-benzofuranyl)[4-[2-(diethylamino)ethoxy]-3-iodophenyl]methanone;

Amiodarone Impurity F

Catalogue No.: EZA0245CAS No. : 147030-50-0Mol. Formula : C₁₉H₁₇IO₃Mol. Weight :420,24Synonym(s) : (2-Butyl-3-benzofuranyl)(4-hydroxy-3-iodophenyl)methanone; L 6424; 

Amiodarone Impurity G

Catalogue No.: EZA0246CAS No. : 1087223-70-8Mol. Formula : C₂₆H₃₁I₂NO₄ Mol. Weight :675,34Synonym(s) : [4-[2-(Diethylamino)ethoxy]-3,5-diiodophenyl][2-(1-methoxybutyl)-3-benzofuranyl]methanone;

Alosetron HCl Impurity

Catalogue No.: EZA0263CAS No. : 128486-89-5Mol. Formula : C17H18N4O2Mol. Weight :310,35Synonym(s) : 2,3,4,5-Tetrahydro-5-methyl-2-[(4-methyl-1H-imidazol-5-yl)methyl]-1H-pyrido[4,3-b]indol-1-one Hydrochloride;

Amlodipine EP Impurity F Maleate

Catalogue No.: EZA0267CAS No. : 140171-66-0Mol. Formula : C₁₉H₂₃ClN₂O₅ Mol. Weight :394,85Synonym(s) : 2-[(2-Aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-3,5-pyridinedicarboxylic Acid 3,5-dimethyl Ester;

Amlodipine EP Impurity D HCl

Catalogue No.: EZA0268CAS No. : 113994-41-5 (free base)Mol. Formula : C20H23ClN2O5Mol. Weight :406,86Synonym(s) : 2-[(2-Aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-3,5-pyridinedicarboxylic Acid 3-Ethyl 5-Methyl Ester Oxalate; 

Amlodipine EP Impurity G

Catalogue No.: EZA0269CAS No. : 43067-01-2Mol. Formula : C₁₇H₁₈ClNO₄ Mol. Weight :335,78Synonym(s) : 4-(2-Chlorophenyl)-1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarboxylic Acid 3,5-Dimethyl Ester;

Amlodipine Impurity 29

Catalogue No.: EZA0270CAS No. : 93848-82-9Mol. Formula : C22H27ClN2O6Mol. Weight :450,92Synonym(s) :

Amlodipine Impurity 27 Disodium

Catalogue No.: EZA0271CAS No. : 120289-11-4 (free Acid)Mol. Formula : C19H18ClNO7. 2 Na Mol. Weight : 407.81 (222.99)Synonym(s) :

Amlodipine Impurity 25

Catalogue No.: EZA0272CAS No. : N/AMol. Formula : C27H25ClN2O7Mol. Weight :524,95Synonym(s) :

Amlodipine Impurity 24

Catalogue No.: EZA0273CAS No. : N/AMol. Formula : C13H13NO4Mol. Weight :247,25Synonym(s) :

Amlodipine Impurity 19                

Catalogue No.: EZA0274CAS No. : N/AMol. Formula : C26H29ClN2O7SMol. Weight :549,04Synonym(s) :

Amlodipine Impurity 6             

Catalogue No.: EZA0275CAS No. :  3891-07-4Mol. Formula : C10H9NO3 Mol. Weight :191,19Synonym(s) : (N-(2-Hydroxyethyl)phthalimide)

Amlodipine Aspartic Acid Impurity             

Catalogue No.: EZA0276CAS No. : 400602-35-9Mol. Formula : C24H29ClN2O9Mol. Weight :524,96Synonym(s) : 3,5-Pyridinedicarboxylic acid, 4-(2-chlorophenyl)-2-[[2-[(1,2-dicarboxyethyl)amino]ethoxy]methyl]-1,4-d 

Amlodipine EP Impurity C Maleate            

Catalogue No.: EZA0278CAS No. : 721958-74-3 Mol. Formula : C₂₂H₃₀ClN₃O₆Mol. Weight :467,94Synonym(s) : 2,6-Bis[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-3,5-pyridinedicarboxylic Acid 3-Ethyl 5-Methyl Ester;

Amlodipine EP Impurity E Maleate(diethyl ester)              

Catalogue No.: EZA0280CAS No. : 140171-65-9Mol. Formula : C₂₁H₂₇ClN₂O₅Mol. Weight :422,9Synonym(s) : 2-[(2-Aminoethoxy)methyl]-4-(2-chlorophenyl)-1,4-dihydro-6-methyl-3,5-pyridinedicarboxylic Acid 3,5-Diethyl Ester;

Azithromycin Impurity J     

Catalogue No.: EZA0296CAS No. :  117693-41-1Mol. Formula : C₃₀H₅₈N₂O₉Mol. Weight :590,79Synonym(s) : (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-Ethyl-3,4,10,13-tetrahydroxy-3,5,6,8,10,12,14-heptamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-1-oxa-6-azacyclopentadecan-15-one;

Atorvastatin Enoic Acid

Catalogue No.: EZA0325CAS No. : 1105067-93-3Mol. Formula :C₃₃H₃₃FN₂O₄Mol. Weight :540,62Synonym(s) :(2E,5S)-7-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]-5-hydroxy-2-heptenoic Acid; Atorvastatin 3-Deoxy-hept-2-enoic Acid; 

Atorvastatin Tert-Butyl Ester

Catalogue No.: EZA0326CAS No. : 134395-00-9Mol. Formula :C₃₇H₄₃FN₂O₅Mol. Weight :614,7Synonym(s) :(βR,δR)-2-(4-Fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Acid 1,1-Dimethylethyl Ester;

Atorvastatin Amide

Catalogue No.: EZA0327CAS No. : 1105067-87-5Mol. Formula :C₄₀H₄₈FN₃O₈•0.5CaMol. Weight :716.82 + 19.98Synonym(s) :(3R,5R)-7-[[(3R,5R)-7-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]-3,5-dihydroxy-1-oxoheptyl]amino]-3,5-dihydroxy-heptanoic Acid Calcium Salt;

Albendazole Impurity C (Albendazole Sulfone)

Catalogue No.: EZA0328CAS No. : 75184-71-3Mol. Formula :C₁₂H₁₅N₃O₄SMol. Weight :297,33Synonym(s) :N-[6-(Propylsulfonyl)-1H-benzimidazol-2-yl]carbamic Acid Methyl Ester; Methyl [5-(propylsulfonyl)-1H-benzimidazol-2-yl]carbamate,

Aripiprazol Impurity G

Catalogue No.: EZA0343CAS No. : 1797986-18-5Mol. Formula :C₄₈H₅₆Cl₄N₆O₄Mol. Weight :922.81Synonym(s) :

Atorvastatin Impurity G (O-Methyl)

Catalogue No.: EZA0349CAS No. : 887196-29-4Mol. Formula :C₆₈H₇₂F₂N₄O₁₀• CaMol. Weight :1143.32 + 40.08Synonym(s) :O-Methyl Atorvastatin Calcium Salt, (βR,δR)-2-(4-Fluorophenyl)-δ-hydroxy-β-methoxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Acid Calcium Salt; 

Atorvastatin Epoxy Tetrahydrofuran analog

Catalogue No.: EZA0350CAS No. : N/AMol. Formula :C26H24FNO5Mol. Weight :449,47Synonym(s) :4-(4-Fluorophenyl)-2,4-dihydroxy-2-(1-methylethyl)-N,5-diphenyl-3,6-dioxabicyclo[3.1.0]hexane-1-carboxamide; 

Acyclovir EP Impurity B

Catalogue No.: EZA0358CAS No. : 73-40-5Mol. Formula :C5H5N5OMol. Weight :151.13Synonym(s) :2-Amino-1,9-dihydro-6H-purin-6-one; 2-Amino-6-hydroxy-1H-purine; 2-Amino-6-hydroxypurine; 

Acyclovir EP Impurity A

Catalogue No.: EZA0359CAS No. : 102728-64-3Mol. Formula :C10H13N5O4Mol. Weight :267.24Synonym(s) :9-[[2-(Acetyloxy)ethoxy]methyl]-2-amino-1,9-dihydro-6H-purin-6-one; 9-(2-Acetoxyethoxymethyl)guanine; 

Azithromycin EP Impurity I

Catalogue No.: EZA0388CAS No. : 172617-84-4Mol. Formula :C37H70N2O12Mol. Weight :734,96Synonym(s) :(2R,3R,4S,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-4,10-dihydroxy-13-(5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl)oxy-11-[3-hydroxy-6-methyl-4-(methylamino)tetrahydropyran-2-yl]oxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one;3’-N-Demethylazithromycin; 

Azithromycin EP Impurity D

Catalogue No.: EZA0389CAS No. : 612069-26-8Mol. Formula :C38H72N2O13Mol. Weight :764,98Synonym(s) :(2R,3S,4R,5R,8R,10R,11R,12S,13S,14S)-11-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-14-(hydroxymethyl)-3,5,6,8,10,12-hexamethyl-1-oxa-6-azacyclopentadecan-15-one

Albendazole impurity A

Catalogue No.: EZA0413CAS No. : 80983-36-4Mol. Formula :C₁₀H₁₃N₃SMol. Weight :207,3Synonym(s) :5-(Propylsulfanyl)-1H-benzimidazol-2-amine, 5-(Propylthio)-1H-benzimidazol-2-amine; Albendazole Amine; 5-(Propylsulphanyl)-1H-benzimidazol-2-amine; Desmethoxycarbonyl Albendazole

Albendazole Impurity G

Catalogue No.: EZA0421CAS No. : 20367-38-8Mol. Formula :C₉H₈ClN₃O₂Mol. Weight :225,63Synonym(s) :Methyl (5-chloro-2-benzimidazolyl)carbamate; Fenbendazole EP Impurity B;

Albendazole Impurity B

Catalogue No.: EZA0431CAS No. : 54029-12-8Mol. Formula :C₁₂H₁₅N₃O₃SMol. Weight :281,33Synonym(s) :Methyl[5-Propylsulphonyl)-1H-benzimidazol-2-yl]carbamate; Albendazole Oxide, Ricobendazole; 

Azithromycin EP Impurity C

Catalogue No.: EZA0439CAS No. : 620169-47-3Mol. Formula :C37H70N2O12Mol. Weight :734,96Synonym(s) :(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-13-[(2,6-Dideoxy-3-C-methyl-α-l-ribo-hexopyranosyl)oxy]-2-ethyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-11-[[3,4,6-trideoxy-3-dimethylamino-β-d-xylo-hexopyranosyl]oxy]-1-oxa-6-azacyclopentadecan-15-one; 3''-O-Demethyl Azithromycin;3'-N-{[4-(Acetylamino)phenyl]sulfonyl}-3',3'-didemethylazithromycin;

Azithromycin EP impurity O

Catalogue No.: EZA0439CAS No. : 763924-54-5Mol. Formula :C39H74N2O12Mol. Weight :763,01Synonym(s) :2-Desethyl-2-propylazithromycin; (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-13-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-l-ribo-hexopyranosyl)oxy]-2-propyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-d-xylo-hexopyranosyl]oxy]-1-oxa-6-azacyclopentadecan-15-one;

Azithromycin EP Impurity F

Catalogue No.: EZA0442CAS No. : 612069-28-0Mol. Formula :C₃₈H₇₀N₂O₁₃Mol. Weight :762,97Synonym(s) :N-[2-[[(2R,3R,4S,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-4,10-dihydroxy-13-(5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl)oxy-3,5,6,8,10,12,14-heptamethyl-15-oxo-1-oxa-6-azacyclopentadec-11-yl]oxy]-3-hydroxy-6-methyl-tetrahydropyran-4-yl]-N-methyl-formamide;

Albendazole Impurity E

Catalogue No.: EZA456CAS No. : 10605-21-7Mol. Formula :C₉H₉N₃O₂Mol. Weight : 191.19Synonym(s) :N-1H-Benzimidazol-2-yl-carbamic Acid Methyl Ester; Carbendazim; Mercarzole;

Acyclovir Impurity-L

Catalogue No.: EZA0462CAS No. : 3056-33-5Mol. Formula :C₉H₉N₅O₃Mol. Weight :235,2Synonym(s) :N-(9-Acetyl-6,9-dihydro-6-oxo-1H-purin-2-yl)acetamide; 2,9-Diacetylguanine; Acyclovir Diacetylguanine Impurity;

B

Bisoprolol Ester Compound

Catalogue No.: EZA0028CAS No. : 864544-37-6Mol. Formula :C18H29NO5Mol. Weight :339,432Synonym(s) :2-propan-2-yloxyethyl 4-[2-hydroxy-3-(propan-2-ylamino)propoxy]benzoate

Bisoprolol Benzylalcohol

Catalogue No.: EZA0029CAS No. : 15258-73-8Mol. Formula :C26H40N205Mol. Weight :460.61 Synonym(s) :(RS)-1-[4-[4-(2-Hydroxy-3-isopropylaminopropoxy)benzyloxylmethyl] phenoxy]-3-isopropylaminopropan-2-ol ;

Bosentan Impurity A

Catalogue No.: EZA0070CAS No. : 150727-06-3Mol. Formula :C25H24ClN5O4SMol. Weight :526,01Synonym(s) : 4-(tert-butyl)-N-(6-chloro-5-(2-methoxyphenoxy)-[2,2'-bipyrimidin]-4-yl)benzenesulfonamide

Bosentan Impurity B

Catalogue No.: EZA0071CAS No. :  174227-14-6Mol. Formula : C25H25N5O5SMol. Weight :507,56Synonym(s) : O-Deshydroxyethyl Bosentan ; 4-(tert-butyl)-N-(5-(2-methoxyphenoxy)-6-oxo-3,6-dihydro-[2,2'-bipyrimidin]-4-yl)benzenesulfonamide

Bosentan Impurity C

Catalogue No.: EZA0072CAS No. :  1097263-60-9Mol. Formula : C52H52N10O10S2 Mol. Weight :1041,16Synonym(s) : N,N'-((ethane-1,2-diylbis(oxy))bis(5-(2-methoxyphenoxy)-[2,2'-bipyrimidine]-6,4-diyl))bis(4-(tert-butyl)benzenesulfonamide)

Bosentan Impurity D

Catalogue No.: EZA0073CAS No. : 174227-14-6Mol. Formula : C25H25N5O5SMol. Weight :507,565Synonym(s) : 4-tert-butyl-N-[5-(2-methoxyphenoxy)-4-oxo-2-pyrimidin-2-yl-1H-pyrimidin-6-yl]benzenesulfonamide

Bosentan Impurity E

Catalogue No.: EZA0074CAS No. :  6292-59-7Mol. Formula : C10H15NO2S Mol. Weight :213,3Synonym(s) : 4-(tert-Butyl)benzenesulfonamide

Betahistine Impurity B

Catalogue No.: EZA0149CAS No. : 103-74-2Mol. Formula : C7H9NOMol. Weight :123,15Synonym(s) : 2-(2-Hydroxyethyl)pyridine, 2-(2-Pyridyl)ethanol

Betahistine Impurity A 

Catalogue No.: EZA0150CAS No. : 100-69-6Mol. Formula : C7H7NMol. Weight :105,14Synonym(s) : 2-Vinylpyridine

Benzyl Silodosin

Catalogue No.: EZA0207CAS No. : 160970-54-7Mol. Formula : C₂₅H₃₂F₃N₃O₄ Mol. Weight :495,53Synonym(s) : 2,3-Dihydro-1-(3-hydroxypropyl)-5-[(2R)-2-[[2-[2-(2,2,2-trifluoroethoxy)phenoxy]ethyl]amino]propyl]-1H-indole-7-carboxamide; 

Betahistine Impurity C

Catalogue No.: EZA0232CAS No. : 5452-87-9Mol. Formula : C15H19N3Mol. Weight :241,33Synonym(s) : N-Methyl-2-(pyridin-2-yl)-N-[2-(pyridin-2-yl)ethyl]ethanamine HCl ;

Benzylated Ezetimibe

Catalogue No.: EZA0241CAS No. : 163222-32-0Mol. Formula : C31H27F2NO3Mol. Weight :499,56Synonym(s) : (3R,4S)-1-(4-Fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-[4-(phenylmethoxy)phenyl]-2-azetidinone ;

Budesonide Impurity A

Catalogue No.: EZA0248CAS No. : 13951-70-7 Mol. Formula : C₂₁H₂₈O₆Mol. Weight :376,44Synonym(s) : (11β,16α)-11,16,17,21-Tetrahydroxypregna-1,4-diene-3,20-dione; 

Budesonide Impurity D

Catalogue No.: EZA0249CAS No. :  85234-63-5 Mol. Formula : C₂₅H₃₂O₆Mol. Weight :428,52Synonym(s) : (11β,16α)-16,17-[Butylidenebis(oxy)]-11-hydroxy-3,20-dioxopregna-1,4-dien-21-al; 

Budesonide Impurity F

Catalogue No.: EZA0250CAS No. :  638-94-8Mol. Formula : C₂₄H₃₂O₆Mol. Weight :416,51Synonym(s) : (11β,16α)-11,21-Dihydroxy-16,17-[(1-methylethylidene)bis(oxy)]pregna-1,4-diene-3,20-dione;

Budesonide Impurity K

Catalogue No.: EZA0251CAS No. : 51333-05-2Mol. Formula : C₂₇H₃₆O₇Mol. Weight :472,57Synonym(s) : (11β,16α)-21-(Acetyloxy)-16,17-[butylidenebis(oxy)]-11-hydroxy-pregna-1,4-diene-3,20-dione;

Benzydamine Impurity B

Catalogue No.: EZA0261CAS No. : N/AMol. Formula :C26H29N3OMol. Weight :399,54Synonym(s) : 5-Benzyl Benzydamine

Benzydamine Impurity C

Catalogue No.: EZA0264CAS No. : 2215-63-6Mol. Formula : C₁₄H₁₂N₂OMol. Weight :224,26Synonym(s) : 1,2-Dihydro-1-(phenylmethyl)-3H-indazol-3-one; 1-Benzyl-1,2-dihydro-3H-indazol-3-one;

Benzathine Benzyl Penicillin impurity C

Catalogue No.: EZA0351CAS No. : N/AMol. Formula :C32H38N4O4SMol. Weight :574,73Synonym(s) :(4S)-2-(2-(Benzyl(2-(benzylamino)ethyl)amino)-2-oxo-1-(2-phenylacetamido)ethyl)-5,5-dimethylthiazolidine-4-carboxylic Acid;

Benserazide Impurity B

Catalogue No.: EZA0377CAS No. : 2472968-83-3Mol. Formula :C₁₇H₂₁N₃O₈Mol. Weight :395,4Synonym(s) :2-Amino-3-hydroxy-N',N'-bis(2,3,4-trihydroxybenzyl)propanehydrazide

Bupropion Des-T-butylamino Impurity

Catalogue No.: EZA0409CAS No. : 34841-35-5Mol. Formula :C₉H₉ClOMol. Weight :168,62Synonym(s) :1-(3-Chlorophenyl)-1-propanone; 3-Chlorophenyl Ethyl Ketone; m-Chloropropiophenone; 

Bupropion Impurity-15

Catalogue No.: EZA0410CAS No. : 535-80-8Mol. Formula :C7H5ClO2Mol. Weight :156,57Synonym(s) :3-Chlorobenzoic Acid

Bupropion 2 Bromo Impurity

Catalogue No.: EZA0411CAS No. : 34911-51-8Mol. Formula :C₉H₈BrClOMol. Weight :247,52Synonym(s) :2-Bromo-3’-chloropropiophenone; Bupropion Impurity I

Bupropion Impurity C

Catalogue No.: EZA0419CAS No. : 152943-33-4Mol. Formula :C₉H₉ClO₂Mol. Weight :184,62Synonym(s) :USP Bupropion Related Compound C; Bupropion USP Related Compound C; 1-(3-Chlorophenyl)-2-hydroxy-1-propanone

C

Cetrizine Impurity

Catalogue No.: EZA0012CAS No. : 942132-30-1Mol. Formula :C17H19ClN2Mol. Weight :286,8Synonym(s) :1-(4-Chlorobenzyhydryl)piperazine((RS)-1-[(4-Chlorophenyl)Phenylmethyl]-piperazine)

Cefmetazole Na Impurity

Catalogue No.: EZA0015CAS No. : 56796-39-5Mol. Formula :C15H16N7NaO5S3 Mol. Weight :493,51Synonym(s) :sodium;(6R,7S)-7-[[2-(cyanomethylsulfanyl)acetyl]amino]-7-methoxy-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Clindamycin Sulfoxide

Catalogue No.: EZA0050CAS No. : 22431-46-5Mol. Formula :C₁₈H₃₃ClN₂O₆S Mol. Weight :440,98Synonym(s) :7-Chloro-1,6,7,8-tetradeoxy-6-[[[(2S,4R)-1-methyl-4-propyl-2-pyrrolidinyl]carbonyl]amino]-1-(methylsulfinyl)-L-threo-α-D-galactooctopyranose;

Clopidogrel Impurity B

Catalogue No.: EZA0079CAS No. : 144750-52-7Mol. Formula : C16H16ClNO2S.H2SO4Mol. Weight :419,9Synonym(s) : Methyl (+/-)-(o-Chlorophenyl)-4,5-dihydrothieno[3,2-c]pyridine-6(7H)acetate Hydrochloride; 

Clopidogrel Impurity C

Catalogue No.: EZA0080CAS No. : 120202-71-3Mol. Formula : C16H16ClNO2S.H2SO4 Mol. Weight :419,9Synonym(s) : Clopidogrel USP Related Compound C ; Clopidogrel Bisulfate R-Isomer ; Methyl (-)-(R)-(o-chlorophenyl)[6,7-dihydrothieno[3,2-c]pyridine-5(4H)-yl]acetate hydrogen sulfate ;

Cyclosporin Impurity B

Catalogue No.: EZA0089CAS No. : 63775-95-1Mol. Formula : C61H109N11O12Mol. Weight :1188,58Synonym(s) : Cyclo[L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl-N-methyl-L-valyl-3-hydroxy-N,4-dimethyl-L-2-amino-6-octenoyl-L-alanyl-N-methylglycyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl

Cyclosporin Impurity C

Catalogue No.: EZA0090CAS No. : 59787-61-0Mol. Formula : C62H111N11O13 Mol. Weight :1218,61Synonym(s) : Thr2-cyclosporine;7-L-Threoninecyclosporin A;7-L-Threoninecyclosporin A,

Celecoxib Regio isomer

Catalogue No.: EZA0107CAS No. : 331943-04-5Mol. Formula : C17H14F3N3O2SMol. Weight :381,37Synonym(s) : Celecoxib EP Impurity B (Celecoxib regio Isomer,N-De(4-sulfonamidophenyl)-N’-(4-sulfonamidophenyl) Celecoxib

Ciprofloxacin Chloro Analog

Catalogue No.: EZA021CAS No. : 93106-58-2Mol. Formula : C₁₇H₁₈ClN₃O₃ Mol. Weight : 347.80Synonym(s) : 6-Chloro-1-cyclopropyl-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic Acid

Cinacalcet Impurity C

Catalogue No.: EZA0176CAS No. : 955373-56-5Mol. Formula : C22H21ClF3N Mol. Weight :391,86Synonym(s) : (R,E)-N-(1-(Naphthalen-1-yl)ethyl)-3-(3-(trifluoromethyl) phenyl)prop-2-en-1-amine HCl ;

Cyclopropyl 2-Fluorophenyl Diketone

Catalogue No.: EZA0238CAS No. : 1391054-37-7Mol. Formula : C11H9FO2 Mol. Weight :192,18Synonym(s) : 1-Cyclopropyl-2-(2-fluorophenyl)ethan-1,2-dione; 2-Fluorophenyl Cyclopropyl Diketone;

Chlororanilin Impurity P

Catalogue No.: EZA0247CAS No. : 106-47-8Mol. Formula : C6H6ClNMol. Weight :127,57Synonym(s) : 4-Chloroaniline, 4-Chloro-1-aminobenzene

Ciprofloxacin Impurity C

Catalogue No.: EZA0265CAS No. : 103222-12-4Mol. Formula : C15H17ClFN3O3 Mol. Weight : 341.77Synonym(s) : BAY-r 3964, M1-Ciprofloxacin, 7-[(2-Aminoethyl)amino]-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid; 

Clopidogrel Related Compound A

Catalogue No.: EZA0291CAS No. : 144750-42-5Mol. Formula : C15H14ClNO2S · HCl Mol. Weight :344,26Synonym(s) : (S)-(2-Chlorophenyl)-6,7-dihydrothieno[3,2-c]pyridine-5(4H)-acetic acid hydrochloride

Clopidogrel Related Compound B

Catalogue No.: EZA0298CAS No. : 144750-52-7Mol. Formula :C₁₆H₁₇Cl₂NO₂SMol. Weight :358,28Synonym(s) :(RS)-Methyl (2-chlorophenyl)-4,5-dihydrothieno[2,3-c]pyridine-6(7H)-acetate hydrochloride

Clarithromycin Impurity M

Catalogue No.: EZA0299CAS No. : 127182-43-8Mol. Formula :C37H68N2O13Mol. Weight :748,94Synonym(s) : (3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,E)-14-ethyl-12,13-dihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-6-(((2S,3R,4S,6R)-3-hydroxy-6-methyl-4-(methylamino)tetrahydro-2H-pyran-2-yl)oxy)-10-(hydroxyimino)-7-methoxy-3,5,7,9,11,13-hexamethyloxacyclotetradecan-2-one

Clarithromycin Impurity C

Catalogue No.: EZA0300CAS No. : 127253-06-9Mol. Formula :C38H70N2O13Mol. Weight :762,96Synonym(s) :Clarithromycin E-9-Oxime; Clarithromycin (9E)-Oxime; 6-O-Methylerythromycin 9-Oxime; 

Clarithromycin Impurity G

Catalogue No.: EZA0301CAS No. : 127182-44-9Mol. Formula :C39H72N2O13Mol. Weight :776,99Synonym(s) :Clarithromycin EP impurity G;ClarithrE)-O-Methyloxime; 6-O-Methylerythrthyloxime); 

Chlorphenamide Impurity A

Catalogue No.: EZA0325CAS No. : 1246816-57-8Mol. Formula :C₁₆H₂₄ClN₃Mol. Weight :293,83Synonym(s) :2-(4-Chlorophenyl)-4-(dimethylamino)-2-[2-(dimethylamino)ethyl]butanenitrile;

Clomiphene Related Compound A

Catalogue No.: EZA0341CAS No. : N/AMol. Formula :C₂₆H₂₉NO • HClMol. Weight :407,98Synonym(s) :2-(4-(1,2-Diphenylvinyl)phenoxy)-N,N-diethylethanamine Hydrochloride; USP Clomiphene Related Compound A;

Citalopram Impurity C

Catalogue No.: EZA0342CAS No. : 372941-54-3Mol. Formula :C₂₀H₁₉FN₂O₂Mol. Weight :338,38Synonym(s) :1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-3-oxo- 5-isobenzofurancarbonitrile; 1-(3-(Dimethylamino)propyl)-1-(4-fluorophenyl)-3-oxo-1,3-dihydroisobenzofuran-5-carbonitrile;

Ciprofloxacin Ethylenediamine Analog

Catalogue No.: CAS No. : Mol. Formula :Mol. Weight :Synonym(s) :

Clarithromycin EP Impurity E

Catalogue No.: EZA0382CAS No. : 81103-14-2Mol. Formula :C₃₉H₇₁NO₁₃Mol. Weight :761,98Synonym(s) :6,11-Di-O-methylerythromycin; 11-O-Methylclarithromycin;

Clarithromycin EP Impurity B

Catalogue No.: EZA0383CAS No. : 299409-85-1Mol. Formula :C37H67NO13Mol. Weight :733.93 Synonym(s) :Structure and synonyms

Clarithromycin EP Impurity F

Catalogue No.: EZA0438CAS No. : 128940-83-0Mol. Formula :C₃₉H₇₁NO₁₃Mol. Weight :762Synonym(s) :12-O-Methyl Clarithromycin; 6,12-Di-O-methylerythromycin;

Clarithromycin EP Impurity P

Catalogue No.: EZA0441CAS No. : 123967-58-8Mol. Formula :C₃₉H₇₁NO₁₃Mol. Weight :761,98Synonym(s) : 4'',6-Di-O-methylerythromycin; Oxacyclotetradecane; 4'-O-Methylclarithromycin;

Celecoxib Related Compound A

Catalogue No.: EZA0451CAS No. : 170570-01-1Mol. Formula :C17H14F3N3O2SMol. Weight :381,37Synonym(s) :4-[5-(3-Methylphenyl)-3-trifluoromethyl-1H-pyrazol-1-yl]benzenesulfonamide; USP Celecoxib Related Compound A

Cyanadiol of Escitalopram

Catalogue No.: EZA0465CAS No. : 103146-25-4Mol. Formula :C₂₀H₃₂N₆S₂Mol. Weight :342.41Synonym(s) :4-[4-(Dimethylamino)-1-(4-fluorophenyl)-1-hydroxybutyl]-3-(hydroxymethyl)-benzonitrile;(4RS)-4-[4-Cyano-2-(hydroxymethyl)phenyl]-4-(4-fluorophenyl)-4-hydroxy-N,N-dimethylbutan- 1-aminium;

D

Dexketoprofen - Related Compound A

Catalogue No.: EZA0008CAS No. : 107257-20-5Mol. Formula :C17H16O3 Mol. Weight :268,31Synonym(s) :α-Methyl-3-(4-methylbenzoyl)benzeneacetic acid, 2-[3-(4-Methylbenzoyl)phenyl]propionic acid

Didehydro Pioglitazone

Catalogue No.: EZA0005CAS No. : 144809-28-9Mol. Formula :C19H18N2O3SMol. Weight :354,42282Synonym(s) :Pioglitazone IMpurity B;Pioglitazone EP IMpurity B;Didehydro Pioglitazone Impurity,5-(4-(2-(5-Ethyl pyridine-2-yl)Ethoxy)Benzydiene)-2-4-thiazolidine,

Desulfated Aztreonam

Catalogue No.: EZA0026CAS No. : 102579-59-9Mol. Formula :C13H17N5O5SMol. Weight :355,369Synonym(s) :(Z)-2-((((2-Amino-4-thiazolyl)(((2S,3S)-2-methyl-4-oxo-3-azetidinyl)carbamoyl(methylene)amino(oxy)-2-methylpropionic acid; 

DiPhenyl Analog of Oxybutynin

Catalogue No.: EZA0031CAS No. : 14943-53-4Mol. Formula :C22H25NO3.HClMol. Weight :387,19Synonym(s) :4-(Diethylamino)but-2-ynyl 2-Hydroxy-2,2-diphenylacetate ;

Decyl Aminoquat (Colsevelam Impurity)

Catalogue No.: EZA0083CAS No. : N/AMol. Formula : C19H43BrN2Mol. Weight :379,46Synonym(s) : 6-(decylamino)-N,N,N-trimethylhexan-1-aminium bromide hydrobromide

Diclofenac Impurity D

Catalogue No.: EZA0095CAS No. : 127792-45-4Mol. Formula : C14H11BrClNO2Mol. Weight :340,59Synonym(s) : Diclofenac EP Impurity D ; 2-[2-[(2-Bromo-6-chlorophenyl) amino]phenyl] acetic acid 

Diclofenac Impurity E

Catalogue No.: EZA0096CAS No. : 59-48-3Mol. Formula : C8H7NOMol. Weight :133,14Synonym(s) : Diclofenac EP Impurity E;2-Oxindole ;2-Indolone;1,3-Dihydro-2H-indol-2-one;2-Oxindole;2-Indolone.;CS-P-00400

Diclofenac Impurity B

Catalogue No.: EZA0097CAS No. : 22121-58-0Mol. Formula : C13H9Cl2NOMol. Weight :266,13Synonym(s) : Diclofenac EP Impurity B ; 2-[(2,6-Dichlorophenyl)amino]benzaldehyde

Diclofenac Impurity C

Catalogue No.: EZA0098CAS No. : 27204-57-5Mol. Formula : C13H11Cl2NO Mol. Weight :268,14Synonym(s) : Diclofenac Impurity C;Diclofenac alcohol ;2-[(2,6-Dichlorophenyl)amino]benzenemethanol; [2-[(2,6-Dichlorophenyl)amino]phenyl]methanol;

Domperidone Impurity C

Catalogue No.: EZA0103CAS No. : 118435-03-3Mol. Formula : C22H24ClN5O3Mol. Weight :441,91Synonym(s) : (1r,4s)-4-(5-chloro-2-oxo-2,3-dihydro-1H-1,3- benzodiazol-1-yl)-1-[3-(2-oxo-2,3-dihydro-1H-1,3- benzodiazol-1-yl)propyl]piperidin-1-ium-1-olate.

Domperidone Impurity D

Catalogue No.: EZA0104CAS No. : 1614255-34-3Mol. Formula : C32H34ClN7O3 Mol. Weight :600,11Synonym(s) : 5-Chloro-3-[3-(2,3-dihydro-2-oxo-1H-benzimidazol-1-yl)propyl]-1-[1-[3-(2,3-dihydro-2-oxo-1H-benzimidazol-1-yl)propyl]-4-piperidinyl]-1,3-dihydro-2H-benzimidazol-2-one;

Diclofenac Impurity A

Catalogue No.: EZA0111CAS No. : 15362-40-0Mol. Formula : C14H9Cl2NOMol. Weight :278,13Synonym(s) : 1-(2,6-Dichlorophenyl)-1,3-dihydro-2H-indol-2-one, N-(2,6-Dichlorophenyl)-2-indolinone, NSC 621845

Didehydro Pioglitazone

Catalogue No.: EZA0115CAS No. : 144809-28-9Mol. Formula : C19H18N2O3S Mol. Weight :354,42Synonym(s) : 5-{4-[2-(5-Ethyl-2-pyridinyl) ethoxy] benzylidene}-2,4-thiazolidinedione

Dasatinib N Oxide

Catalogue No.: EZA0119CAS No. : 910297-52-8Mol. Formula : C₂₂H₂₆ClN₇O₃S Mol. Weight :504Synonym(s) : N-[2-Chloro-6-methylphenyl]-2-[[6-[4-(2-hydroxyethyl)-1-piperazinyl]-2-methyl-4-pyrimidinyl]amino]-5-thiazolecarboxamide N-Oxide;

Diltiazem EP Impurity A

Catalogue No.: EZA0126CAS No. : 103532-27-0Mol. Formula : C22H26N2O4SMol. Weight :414,52Synonym(s) : (-)-trans-Diltiazem; (2R,3S)-5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate

Diltiazem Impurity C / O-desmethyl Diltiazem

Catalogue No.: EZA0127CAS No. : 142926-07-6Mol. Formula : C21H25ClN2O4S Mol. Weight :436,95Synonym(s) : Diclofenac Impurity C;Diclofenac alcohol ;2-[(2,6-Dichlorophenyl)amino]benzenemethanol;

Diltiazem Impurity G/N-Desmethyl desacetyl Diltiazem HCl

Catalogue No.: EZA0128CAS No. : 86408-44-8Mol. Formula : C19H22N2O3S.HClMol. Weight :394,91Synonym(s) : (2S,3S)-5-[2-(Methylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-ol

Diltiazem Impurity H/N,N,O-Tridemethyl desacetyl diltiazem

Catalogue No.: EZA0129CAS No. : 115992-91-1 (base)Mol. Formula : C17H18N2O3S Mol. Weight : 330.40Synonym(s) : (2S,3S)-5-(2-Aminoethyl)-3-hydroxy-2-(4-hydroxyphenyl)-2,3-dihydro-1, 5-benzothiazepine-4(5H)-one

Diclofenac Epolamine

Catalogue No.: EZA0159CAS No. : 119623-66-4Mol. Formula : C₂₀H₂₄Cl₂N₂O₃ Mol. Weight :411,32Synonym(s) : 2-[(2,6-Dichlorophenyl)amino]-benzeneacetic Acid compound with 1-Pyrrolidineethanol;

Diethanolamine Fusidate

Catalogue No.: EZA0262CAS No. : 16391-75-6Mol. Formula : C₃₁H₄₈O₆C₄H₁₁NO₂Mol. Weight :516,7110514Synonym(s) : (3,4α,8α,9β,11α,13α,14β,16β,17Z)-16-(Acetyloxy)-3,11-dihydroxy-29-nordammara-17(20),24-dien-21-oic Acid compd. with 2,2’-Iminobis[ethanol];

Dianisylglycerol             

Catalogue No.: EZA0282CAS No. : 16929-60-5Mol. Formula : C17H20O5Mol. Weight :304,34Synonym(s) : 1,3-Bis(2-methoxyphenoxy)-2-propanol ;

Diclofenac Impurity F             

Catalogue No.: EZA0292CAS No. : 560075-65-2Mol. Formula : C₁₄H₁₀Cl₃NOMol. Weight :314,59Synonym(s) : 2,6-Dichloro-N-(4-chlorophenyl)-benzeneacetamide

Deschloro Trazadone

Catalogue No.: EZA0307CAS No. : 62337-66-0Mol. Formula :C₁₉H₂₃N₅OMol. Weight :337,42Synonym(s) :2-[3-(4-Phenyl-1-piperazinyl)propyl]-1,2,4-triazolo[4,3-a]pyridin-3(2H)-one; Trazodone Impurity B

DL-Norvaline

Catalogue No.: EZA0321CAS No. : 2417798-14-0Mol. Formula :C₂₃H₂₈F₂N₆O₅SMol. Weight :538,57Synonym(s) :(1S,2S,3R,5S)-3-(7-(((1R,2S)-2-(3,4-difluorophenyl)cyclopropyl)amino)-5-(propylsulfinyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol

Diltiazem Sulfoxide

Catalogue No.: EZA0333CAS No. : 370094-12-5Mol. Formula :C₂₂H₂₆N₂O₅SMol. Weight :430,52Synonym(s) :(2S,3S)-5-(2-(Dimethylamino)ethyl)-2-(4-methoxyphenyl)-1-oxido-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]thiazepin-3-yl Acetate;

Diltiazem Impurity B

Catalogue No.: EZA0348CAS No. : 87447-47-0Mol. Formula :C18H17NO4SMol. Weight :343.40Synonym(s) :(2S,3S)-3-(Acetyloxy)-2,3-dihydro-2-(4-methoxyphenyl)-1,5-benzothiazepin-4(5H)-one; Acetoxy Lactam Diltiazem;

Diltiazem Impurity D

Catalogue No.: EZA0363CAS No. : 130606-60-9Mol. Formula :C21H25ClN2O4SMol. Weight :436,95Synonym(s) :2S-cis)-3-(Acetyloxy)-2,3-dihydro-2-(4-methoxyphenyl)-5-[2-(methylamino)ethyl]-1,5-benzothiazepin-4(5H)-one Monohydrochloride; N-Demethyldiltiazem; 

Diltiazem Impurity E

Catalogue No.: EZA0401CAS No. : 42399-49-5Mol. Formula :C16H15NO3SMol. Weight :301,36Synonym(s) :(2S,3S)-2,3-Dihydro-3-hydroxy-2-(4-methoxyphenyl)-1,5-benzothiazepin-4(5H)-one; Cis(+)-hydroxy Lactam;(2S-cis)-2,3-Dihydro-3-hydroxy-2-(4-methoxyphenyl)-1,5-benzothiazepin-4(5H)-one;

Dabigatran Ethexilate Mysilate

Catalogue No.: EZA0402CAS No. : 872728-81-9Mol. Formula :C₃₄H₄₁N₇O₅ • CH ₄O₃SMol. Weight :627.75 + 96.10Synonym(s) :N-[[2-[[[4-[[[(Hexyloxy)carbonyl]amino]iminomethyl]phenyl]amino]methyl]-1-methyl-1H-benzimidazol-5-yl]carbonyl]-N-2-pyridinyl-β-alanine Ethyl Ester Methanesulfonate; 

Dabigatran Deshexyl Compound

Catalogue No.: EZA0403CAS No. : N/AMol. Formula :C27H29N7O3Mol. Weight :499.56 Synonym(s) :ethyl 3-(2-(((4-carbamimidoylphenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propanoate

Dabigatran Impurity A

Catalogue No.: EZA0404CAS No. : 211915-84-3Mol. Formula :C27H26N6O3Mol. Weight :482.53 Synonym(s) :ethyl 3-(2-(((4-cyanophenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propanoate; 

Dabigatran Impurity N

Catalogue No.: EZA0405CAS No. : 1381757-44-3Mol. Formula :C34H41N7O6Mol. Weight :643,73Synonym(s) :Dabigatran Etexilate N-Oxide

Dabigatran Impurity-I

Catalogue No.: EZA0408CAS No. : 211915-84-3Mol. Formula :C27H26N6O3Mol. Weight :482,53Synonym(s) :N-[[2-[[(4-Cyanophenyl)amino]methyl]-1-methyl-1H-benzimidazol-5-yl]carbonyl]-N-2-pyridinyl-β-alanine Ethyl Ester;

Dabigatran Ethyl Carbonate Impurity

Catalogue No.: EZA0412CAS No. : N/AMol. Formula :C₃₀H₃₃N₇O₅Mol. Weight :571,63Synonym(s) :Ethyl 3-(2-(((4-(N'-(ethoxycarbonyl)carbamimidoyl)phenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propanoate

Dabigatran Methyl Carbonate

Catalogue No.: EZA0414CAS No. : 211914-96-4Mol. Formula :C₂₉H₃₁N₇O₅Mol. Weight :557,61Synonym(s) :N-[[2-[[[4-[Imino[(methoxycarbonyl)amino]methyl]phenyl]amino]methyl]-1-methyl-1H-benzimidazol-5-yl]carbonyl]-N-2-pyridinyl-β-alanine Ethyl Ester; N-Methoxycarbonyl Dabigatran Ethyl Ester

Dabigatran amide Impurity

Catalogue No.: EZA0415CAS No. : 1580491-16-2Mol. Formula :C₃₂H₃₈N₈O₄Mol. Weight :598,7Synonym(s) :3-{[(2-{[(4-{N'-Hexyloxycarbonyl carbamimidoyl}phenyl)amino]methyl}-1-methyl-1H-benzimidazol-5-yl)carbonyl]-pyridin-2-yl-amino)propanamide

Dabigatran Impurity-O

Catalogue No.: EZA0433CAS No. : 948551-71-1Mol. Formula :C₂₇H₂₈N₆O₄Mol. Weight :500.55 Synonym(s) :Ethyl 3-(3-(2-((4-Cyanophenyl)amino)acetamido)-4-(methylamino)-N-(pyridin-2-yl)benzamido)propanoate

Desloratidine Impurity C

Catalogue No.: EZA0443CAS No. : N/AMol. Formula :C29H40N2O4Mol. Weight :382.14Synonym(s) :4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinecarboxylic Acid Ethyl Ester; 

Desloratidine N-acetyl Impurity

Catalogue No.: EZA0446CAS No. : 117796-52-8Mol. Formula :C₂₁H₂₁ClN₂OMol. Weight :352,86Synonym(s) :N-Acetyldesloratadine; 1-[4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinyl]-ethanone; 

Digoxin Impurity B

Catalogue No.: EZA0464CAS No. : N/AMol. Formula :C₄₁H₆₄O₁₄Mol. Weight :780,94Synonym(s) :Anhydrogitalin; Bigitalin; Pseudodigitoixn; 

E

EsZopiclone N-Oxide Impurity

Catalogue No.: EZA0018CAS No. : 151851-70-6Mol. Formula :C₁₇H₁₇ClN₆O₄Mol. Weight :404,81Synonym(s) :(S)-(+)-Zopiclone N-Oxide;

Ethyl Propyl Analog of Oxybutynin

Catalogue No.: EZA0032CAS No. : 1215677-72-7Mol. Formula :C23H33NO3.HClMol. Weight :407,19Synonym(s) :4-(Ethylpropylamino)but-2-ynyl (RS)-2-cyclohexyl-2-hydroxy-2-phenylacetate HCl

Eslicarbamazepine Impurity A

Catalogue No.: EZA0060CAS No. : 236395-14-5Mol. Formula :C15H12N2OMol. Weight :236,27Synonym(s) :5H-Dibenz[b,f]azepine-5-carboxamide; 5-Carbamoyl-5H-dibenz[b,f]azepine;

Esomeprazole Impurity A

Catalogue No.: EZA0067CAS No. : 37052-78-1Mol. Formula : C17H19N3O4S Mol. Weight :361,42Synonym(s) : Omeprazole EP Impurity A ; 5-Methoxy-1H-benzimidazole-2-thiol ;

Esomeprazole Impurity B

Catalogue No.: EZA0067CAS No. : 110374-16-8Mol. Formula : C17H19N3O4SMol. Weight :361,42Synonym(s) : 2-[[(3,5-Dimethyl-2-pyridinyl)methyl]sulfinyl]-6-methoxy-1H-benzimidazole;

Esomeprazole Impurity D

Catalogue No.: EZA0068CAS No. : 88546-55-8Mol. Formula : C17H19N3O3S Mol. Weight :345,42Synonym(s) :

Ezetimibe Tetrahydropyran Analog Impurity

Catalogue No.: EZA0135CAS No. : 1296129-15-1Mol. Formula : C24H21F2NO3 Mol. Weight :409,44Synonym(s) :(2R,3R,6S)-N,6-Bis(4-fluorophenyl)tetrahydro-2-(4-hydroxyphenyl)-2H-pyran-3-carboxamide; SCH59566

Emtricitabine Sulfoxide

Catalogue No.: EZA0137CAS No. : 152128-77-3Mol. Formula : C8H10FN3O4S Mol. Weight :263,35Synonym(s) : 4-Amino-5-fluoro-1-[(2R,5S)-2- (hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone ;

Escitalopram Oxo Impurity

Catalogue No.: EZA0155CAS No. : 372941-54-3Mol. Formula : C20H19FN2O2Mol. Weight :338,37Synonym(s) : 1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-3-oxo-5-isobenzofurancarbonitrile;

Enalapril Maleate Impurity C

Catalogue No.: EZA0183CAS No. : 84680-54-6Mol. Formula : C18H28N2O7 Mol. Weight :384,42Synonym(s) : Enalaprilic Acid Dihydrate; (2S)-1-[(2S)-2-[[(1S)-1-Carboxy-3-phenylpropyl]amino]propanoyl]pyrrolidine-2-carboxylic Acid Dihydrate;

Enalapril Maleate Impurity D

Catalogue No.: EZA0184CAS No. : 115729-52-7Mol. Formula : C20H26N2O4Mol. Weight :358,43Synonym(s) : aS,3S,8aS)-Hexahydro-3-methyl-1,4-dioxo-a-(2-phenylethyl)pyrrolo[[]1,2-a]pyrazine-2(1H)-acetic Acid Ethyl Ester;

Enalapril Maleate Impurity E

Catalogue No.: EZA0185CAS No. : N/AMol. Formula : C26H32N2O5. C4H4O4 Mol. Weight :568,61Synonym(s) : (S)-1-[[]N-[[]3-Phenyl-1-[[](phenylethoxy)carbonyl]propyl]-L-alanyl]-L-proline;

Enalapril maleate Impurity F

Catalogue No.: EZA0186CAS No. : 76391-34-9Mol. Formula : C22H32N2O5. C4H4O4Mol. Weight : 404.51 (116.07)Synonym(s) : ((S)-1-butoxy-1-oxo-4-phenylbutan-2-yl)-L-alanyl-L-proline

Enalapril maleate Impurity A

Catalogue No.: EZA0187CAS No. : 1356932-13-2Mol. Formula : C20H28N2O5. C4H4O4 Mol. Weight : 376.45 (116.07)Synonym(s) : (2S)-1-[(2S)-2-[[(1R)-1-(Ethoxycarbonyl)-3-phenylpropyl]amino]propanoyl]pyrrolidine-2-carboxylic Acid; (S,S,R) Enalapril; 

Enalapril maleate Impurity B

Catalogue No.: EZA0188CAS No. : 82717-96-2Mol. Formula : C15H21NO4Mol. Weight :279,33Synonym(s) : (+)-N-[[]1-(S)-Ethoxycarbonxyl-3-phenylpropyl]-L-alanine; (aS)-a-[[][[](1S)-1-Carboxyethyl]amino]benzenebutanoic Acid; 

Empagliflozin Impurity I

Catalogue No.: EZA0215CAS No. : 915095-94-2Mol. Formula : C17H16ClIO2Mol. Weight :414,67Synonym(s) : 3-(4-(2-chloro-5-iodobenzyl)phenoxy)tetrahydrofuran

Empagliflozin Impurity II

Catalogue No.: EZA0216CAS No. : 915095-87-3 Mol. Formula : C17H14ClIO3Mol. Weight :428,65Synonym(s) : (R)-(2-chloro-5-iodophenyl)(4-((tetrahydrofuran-3-yl)oxy)phenyl)methanone

Empagliflozin Impurity III

Catalogue No.: EZA017CAS No. : N/AMol. Formula : C23H27ClO7 Mol. Weight :450,92Synonym(s) : (1S)-1,5-Anhydro-1-C-[4-chloro-3-[[4-[[(3R)-tetrahydro-3-furanyl]oxy]phenyl]methyl]phenyl]-D-glucitol;

Empagliflozin Impurity IV

Catalogue No.: EZA0218CAS No. : N/AMol. Formula : C24H29ClO8Mol. Weight :480,95Synonym(s) : Empagliflozin Impurity 4;(3R,4S,5S,6R)-2-(4-chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-6-(hydroxymethyl)-2-methoxytetrahydro-2H-pyran-3,4,5-triol.

Empagliflozin Impurity V

Catalogue No.: EZA0219CAS No. : 864070-37-1Mol. Formula : C19H21ClNO6 Mol. Weight :380,83Synonym(s) : (1S)-1,5-Anhydro-1-C-[4-chloro-3-[(4-hydroxyphenyl)methyl]phenyl]-D-glucitol;

Empagliflozin Impurity VI

Catalogue No.: EZA0220CAS No. : 1620758-34-0Mol. Formula : C25H29ClO8Mol. Weight :492,96Synonym(s) :

Empagliflozin Impurity VII

Catalogue No.: EZA0221CAS No. : 864070-37-1Mol. Formula : C17H16BrClO2 Mol. Weight : 367.67 Synonym(s) : (S)-3-(4-(5-Bromo-2-chlorobenzyl)phenoxy)tetrahydrofuran

Enzalutamide Impurity

Catalogue No.: EZA0255CAS No. : 1443331-78-9Mol. Formula : C₂₁H₁₆F₄N₄O₃Mol. Weight :448,37Synonym(s) : 4-[3-[4-Cyano-3-(trifluoromethyl)phenyl]-5,5-dimethyl-2,4-dioxo-1-imidazolidinyl]-2-fluoro-N-methylbenzamide;

Enalapril EP Impurity A Maleate ((S,S,R)-Enalapril Maleate)          

Catalogue No.: EZA0287CAS No. : 76420-74-1Mol. Formula : C20H28N2O5. C4H4O4Mol. Weight : 376.45 116.07Synonym(s) : N-[(1S)-1-(Ethoxycarbonyl)-3-phenylpropyl]-L-alanyl-L-proline (2Z)-2-Butenedioate; Acapril; Acetensil;

Efavirenz Impurity B

Catalogue No.: EZA0347CAS No. : 440124-96-9Mol. Formula :C14H11ClF3NO2Mol. Weight :317.69Synonym(s) :(4S)-6-Chloro-4-[(E)-2-cyclopropylvinyl]-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one

Erythromycin EP Impurity B

Catalogue No.: EZA0384CAS No. : 992-62-1Mol. Formula :C₃₆H₆₅NO₁₃Mol. Weight :719,9Synonym(s) :N-Demethyl-erythromycin; Des-N-methylerythromycin; Demethylerythromycin; 

Erythromycin EP Impurity H

Catalogue No.: EZA0385CAS No. : 992-65-4Mol. Formula :C37H67NO14Mol. Weight :749,93Synonym(s) :Erythromycin A 3''-N-oxide; (2S,3R,4S,6R)-2-(((3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyl-2,10-dioxooxacyclotetradecan-6-yl)oxy)-3-hydroxy-N,N,6-trimethyltetrahydro-2H-pyran-4-amine Oxide;

Erythromycin Impurity G

Catalogue No.: EZA0386CAS No. : N/AMol. Formula :C42H73NO17Mol. Weight :864,04Synonym(s) :Erythromycin A 3''-N-oxide; (2S,3R,4S,6R)-2-(((3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,7,9,11,13-hexamethyl-2,10-dioxooxacyclotetradecan-6-yl)oxy)-3-hydroxy-N,N,6-trimethyltetrahydro-2H-pyran-4-amine Oxide;

Erythromycin EP Impurity A

Catalogue No.: EZA0387CAS No. : 82230-93-1Mol. Formula :C37H67NO14Mol. Weight :749.94 Synonym(s) :(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3-(hydroxymethyl)-5,7,9,11,13-pentamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]oxacyclotetradecane-2,10-dione

Erlotinib Hydrochloride Impurity A

Catalogue No.: EZA0394CAS No. : 179688-29-0Mol. Formula :C14H18N2O5Mol. Weight :294,3Synonym(s) :6,7-Bis(2-methoxyethoxy)quinazolin-4(3H)-one

Erlotinib Hydrochloride Impurity C

Catalogue No.: EZA0395CAS No. : 1354727-63-1Mol. Formula :C22H25N3O5Mol. Weight :411,46Synonym(s) :1-[3-[[6,7-Bis(2-methoxyethoxy)quinazolin-4-yl]amino]phenyl]ethan-1-one

Erlotinib Hydrochloride Impurity B

Catalogue No.: EZA396CAS No. : 54060-30-9Mol. Formula :C8H7NMol. Weight :117,15Synonym(s) :3-Ethynylaniline

Erythromycin EP Impurity J

Catalogue No.: EZA0440CAS No. : 105900-46-7Mol. Formula : C₃₇H₆₇NO₁₃Mol. Weight :733,93Synonym(s) :(1S,2R,3R,6R,7S,8S,9R,10R,12R)-7-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-3-[(1R,2R)-1,2-dihydroxy-1-methylbutyl]-1-hydroxy-2,6,8,10,12-pentamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-4,13-dioxabicyclo[8.2.1]tridecan-5-one

F

Fexofenadine Related Compound-B

Catalogue No.: EZA0034CAS No. : 479035-75-1Mol. Formula :C32H39NO4Mol. Weight :501,65Synonym(s) :Hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]butyl]-α,α- Acid Hydrochloride;

Fluvoxamine Impurity G

Catalogue No.: EZA0035CAS No. : 192876-02-1Mol. Formula :C14H19F3N2O2Mol. Weight :304,31Synonym(s) :5E)-5-[(2-Aminoethoxy)imino]-5-[4-(trifluoromethyl)-phenyl]pentan-1-ol ;

Fluvoxamine Impurity E

Catalogue No.: EZA0038CAS No. : 1217214-94-2Mol. Formula :C15H21F3N2O2. C4H4O4Mol. Weight :434,41Synonym(s) :1-​Pentanone, 1-​[4-​(difluoromethyl)​phenyl]​-​5-​methoxy-​, O-​(2-​aminoethyl)​oxime; 2-[[[(1E)-1-[4-(Difluoromethyl)phenyl]-5-methoxypentylidene]amino]oxy]ethanamine;

Fluvoxamine Impurity Oxime

Catalogue No.: EZA0051CAS No. : 88699-84-7Mol. Formula :C13H16F3NO2Mol. Weight :275,27Synonym(s) :(NE)-N-[5-methoxy-1-[4-(trifluoromethyl)phenyl]pentylidene]hydroxylamine

Fluvoxamine Impurity G Malonamide

Catalogue No.: EZA0052CAS No. : 192876-02-1Mol. Formula :C14H19F3N2O2Mol. Weight :304,31Synonym(s) :1-​Pentanone, 5-​hydroxy-​1-​[4-​(trifluoromethyl)​phenyl]​-​, O-​(2-​aminoethyl)​oxime, (1E)​-;

Fluconazole Impurity D

Catalogue No.: EZA0295CAS No. : 81886-51-3Mol. Formula : C₁₃H₁₃FN₆OMol. Weight :288,28Synonym(s) : α-(4-Fluorophenyl)-α-(1H-1,2,4-triazol-1-ylmethyl)-1H-1,2,4-Triazole-1-ethanol;

G

Gabapentine Impurity E

Catalogue No.: EZA0085CAS No. : 667465-00-1Mol. Formula : C9H14O4Mol. Weight :186,2Synonym(s) : 1-(carboxymethyl)cyclohexanecarboxylic acid

Gemcitabine Impurity C

Catalogue No.: EZA0233CAS No. : 114248-23-6Mol. Formula : C₉H₁₀F₂N₂O₅ Mol. Weight :264,18Synonym(s) : 2’-Deoxy-2’,2’-difluorouridine; 2’,2’-Difluorodeoxyuridine; Gemcitabine Impurity C (EP);

Gliclazide EP Impurity A

Catalogue No.: EZA0239CAS No. : 70-55-3Mol. Formula : C7H9NO2SMol. Weight :171,22Synonym(s) : 4-Methylbenzenesulfonamide ;

Gliclazide EP Impurity A

Catalogue No.: EZA0252CAS No. : 70-55-3Mol. Formula : C7H9NO2SMol. Weight :171,22Synonym(s) : 4-Methylbenzenesulfonamide

Glimepiride Impurity B

Catalogue No.: EZA0329CAS No. : 119018-29-0Mol. Formula :C₁₆H₂₁N₃O₄SMol. Weight :351,42Synonym(s) :Des[(trans-4-methylcyclohexyl)amino]carbonyl Glimepiride; N-[2-[4-(Aminosulfonyl)phenyl]ethyl]-3-ethyl-2,5-dihydro-4-methyl -2-oxo-1H-pyrrole-1-carboxamide; 

Glimepiride Impurity C

Catalogue No.: EZA0330CAS No. : 119018-30-3Mol. Formula :C₁₈H₂₃N₃O₆SMol. Weight :409,46Synonym(s) :[4-[2-[[(3-Ethyl-2,5-dihydro-4-methyl-2-oxo-1H-pyrrol-1-yl)carbonyl]amino]ethyl]phenyl]sulfonyl]carbamic Acid Methyl Ester; USP Glimepiride Related Compound C; Glimepiride Impurity C;

Gefitinib Impurity A

Catalogue No.: EZA0399CAS No. : 199327-61-2Mol. Formula :C16H21N3O4Mol. Weight :319,36Synonym(s) :7-Methoxy-6-[3-(morpholin-4-yl)propoxy]quinazolin-4(1H)-one

Gefitinib Impurity B

Catalogue No.: EZA0400CAS No. : 1603814-04-5Mol. Formula :C22H24ClFN4O3Mol. Weight :446,9Synonym(s) :3-Deschloro-4-desfluoro-4-chloro-3-fluoro Gefitinib

Gabapentine Impurity F

Catalogue No.: EZA0445CAS No. : 60142-96-3Mol. Formula :C9H17NO2Mol. Weight :171.24Synonym(s) :1-(Aminomethyl)cyclohexaneacetic Acid, Neurontin, GOE-3450

Gabapentine Impurity G

Catalogue No.: EZA0455CAS No. : 1500558-49-5Mol. Formula :C10H19NO2.HClMol. Weight :221,72Synonym(s) :

H

Hydroxychloroquine Impurity B

Catalogue No.: EZA0260CAS No. : 103152-84-7Mol. Formula : C18H26ClN3O4SMol. Weight :415,93Synonym(s) : 2-((4-((7-Chloroquinolin-4-yl)amino)pentyl)(ethyl)amino)ethyl hydrogen sulfate;

I

Itraconazole EP Impurity E

Catalogue No.: EZA0013CAS No. :  252964-65-1Mol. Formula :C35H38C12N8O4Mol. Weight :778,85Synonym(s) :rel-4-[4-[4-[4-[[(2R,4R)-2-(2,4-Dichlorophenyl)-2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-1-piperazinyl]phenyl]-2,4-dihydro-2-(1-methylpropyl)-3H-1,2,4-triazol-3-one;

Ibuprofen Impurity-D

Catalogue No.: EZA0039CAS No. : 938-94-3Mol. Formula :C10H12O2Mol. Weight :164,2Synonym(s) :(2RS)-2-(p-tolyl)propanoic acid

Ibuprofen Impurity-E

Catalogue No.: EZA0040CAS No. : 38861-78-8Mol. Formula :C12H16OMol. Weight :176,25Synonym(s) :1-(4-isobutylphenyl)ethan-1-one

Ibuprofen Impurity-L

Catalogue No.: EZA0041CAS No. : 53949-53-4Mol. Formula :C₁₃H₁₈O₃Mol. Weight :222,28Synonym(s) :4-(1-Hydroxy-2-methylpropyl)-α-methylbenzeneacetic Acid;2-[4’-(1-Hydroxy-2-methylpropyl)phenyl]propionic Acid; 

Ibuprofen Impurity-M

Catalogue No.: EZA0042CAS No. : 1262894-13-2Mol. Formula :C13H18O3Mol. Weight :222,28Synonym(s) :(2RS)-2-hydroxy-2-(4-isobutylphenyl)propanoic acid

Ibuprofen Impurity-J

Catalogue No.: EZA0043CAS No. : 65813-55-0Mol. Formula :C₁₃H₁₆O₃Mol. Weight :220,26Synonym(s) :α-Methyl-4-(2-methyl-1-oxopropyl)benzeneacetic Acid;2-(4-Isobutyrylphenyl)propionic Acid; Ibuprofen Impurity J; 

Imatinib Impurity

Catalogue No.: EZA0063CAS No. : 404844-03-7Mol. Formula : C25H25N5O4S Mol. Weight :491,56Synonym(s) : 4-[(4-methylpiperazin-1-yl)methyl]-N-(4-methyl-3-{[4-(pyridin-3-yl)pyrimidin-2-yl]amino}phenyl)benzamide;

Ivabradine N Oxide

Catalogue No.: EZA0120CAS No. : N/AMol. Formula : C₂₇H₃₆N₂O₆Mol. Weight :484,58Synonym(s) : 3-[3-({[(7S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl}(methyl)amino) propyl]-7,8-dimethoxy-2,3,4,5-tetrahydro-1H-3-benzazepin-2-one N-Oxide

Irbesartan Impurity A         

Catalogue No.: EZA0293CAS No. : 748812-53-5Mol. Formula : C₂₅H₃₀N₆O₂ Mol. Weight :446,54Synonym(s) : 1-[(1-Oxopentyl)amino]-N-[[2’-(2H-tetrazol-5-yl)[1,1’-biphenyl]-4-yl]methyl]-cyclopentanecarboxamideUSP Irbesartan USP Related Compound;

Ibrutinib Impurity 7

Catalogue No.: EZA0360CAS No. : 2213398-75-3Mol. Formula :C₁₈H₁₅N₅OMol. Weight :317,4Synonym(s) :1-Methyl-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine

Imatinib Impurity A

Catalogue No.: EZA0397CAS No. : 152460-10-1Mol. Formula :C16H15N5Mol. Weight :277.32Synonym(s) :(2E)-3-(Dimethylamino)-1-(pyridin-3-yl)prop-2-ene-1-one

Imatinib Impurity B

Catalogue No.: EZA0398CAS No. : 581076-65-5Mol. Formula :C21H28N6OMol. Weight :380.49Synonym(s) :N-(3-Carbamimidamido-4-methylphenyl)-4-[(4-methylpiperazin-1-yl)methyl]benzamide; Imatinib Guanidine Impurity; 

Isobutyl-glutarmonoamide (Pregabalin Imp-USP)

Catalogue No.: EZA0417CAS No. : 181289-15-6Mol. Formula :C₉H₁₇NO₃Mol. Weight :187,24Synonym(s) :3-(2-amino-2-oxoethyl)-5-methylhexanoic acid

Isoproterenol Impurity A

Catalogue No.: EZA0452CAS No. : 16899-81-3Mol. Formula :C11H15NO3.HClMol. Weight :245.70Synonym(s) :1-(3,4-Dihydroxyphenyl)-2-[(1-methylethyl)amino]-ethanone Hydrochloride

Isoproterenol Impurity B

Catalogue No.: EZA0454CAS No. : 3506-32-9 Mol. Formula :C11H17NO2Mol. Weight :195,26Synonym(s) :N-Isopropyldopamine

J

K

Ketone Impurity of Ezetimibe

Catalogue No.: EZA0205CAS No. : 191330-56-0Mol. Formula : C₂₄H₁₉F₂NO₃Mol. Weight :407,41Synonym(s) : (3R,4S)-1-(4-Fluorophenyl)-3-[3-(4-fluorophenyl)-3-oxopropyl]-4-(4-hydroxyphenyl)-2-azetidinone

Ketoprofen Impurity A

Catalogue No.: EZA0266CAS No. :  66067-44-5Mol. Formula : C15H12O2Mol. Weight : 224.26Synonym(s) : 1-(3-Benzoylphenyl)ethanone; 3-Benzoylacetophenone; 

L

Lisinopril EP Impurity A

Catalogue No.: EZA0022CAS No. : 1012-05-1Mol. Formula :C10H13NO2Mol. Weight :179,22Synonym(s) :DL-2-Amino-4-phenylbutyric Acid; 2-Amino-4-phenylbutyric Acid; 2-Amino-4-phenylbutanoic Acid;

Lisinopril EP Impurity C

Catalogue No.: EZA0023CAS No. : 328385-86-0Mol. Formula :C21H29N3O4Mol. Weight :387,47Synonym(s) :(S)-2-((3S,8aS)-3-(4-aminobutyl)-1,4-dioxohexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl)-4-phenylbutanoic acid

Lisinopril EP Impurity D

Catalogue No.: EZA0024CAS No. : 219677-82-4Mol. Formula :C21H29N3O4 Mol. Weight :387,47Synonym(s) :(2S)-2-((3S)-3-(4-aminobutyl)-1,4-dioxohexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl)-4-phenylbutanoic acid

Lisinopril Dihydrate Impurity G

Catalogue No.: EZA0025CAS No. : 83915-83-7Mol. Formula :C21H35N3O7Mol. Weight :441,52Synonym(s) :Lisinopril dihydrate impurity G;HLRMNXJOFRUYAM-NGTAMTFRSA-N;

Lacosamide Chiral Impurity

Catalogue No.: EZA0030CAS No. : 175481-37-5Mol. Formula :C13H18N2O3Mol. Weight :250,3Synonym(s) :(S)-2-(Acetylamino)-3-methoxy-N-(phenylmethyl)propanamide; 

Lisinopril Cyclohexyl Analog

Catalogue No.: EZA0044CAS No. : 1132650-67-9Mol. Formula :C21H37N3O5Mol. Weight :411,53Synonym(s) :N2-[(1S)-1-Carboxy-3-cyclohexylpropyl]-L-lysyl-L-proline; (2S)-1-[(2S)-6-Amino-2-[[(1S)-1-carboxy-3-cyclohexylpropyl]amino]hexanoyl]pyrrole-2-carboxylic Acid;

Levodopa Impurity D

Catalogue No.: EZA0081CAS No. : 5796-17-8Mol. Formula : C9H11NO4Mol. Weight :197,19Synonym(s) : (R)-2-amino-3-(3,4-dihydroxyphenyl)propanoic acid ; D-Dopa

Levodopa Impurity C

Catalogue No.: EZA0084CAS No. : 7636-26-2Mol. Formula : C10H13NO4 Mol. Weight :211,21Synonym(s) : Levodopa USP Related Compound B ; (2RS)-2-Amino-3-(4-hydroxy-3-methoxyphenyl)propanoic acid ; 

Levodopa EP Impurity C

Catalogue No.: EZA0112CAS No. : 7636-26-2Mol. Formula : C10H13NO4Mol. Weight :211,22Synonym(s) : Levodopa USP Related Compound B ; (2RS)-2-Amino-3-(4-hydroxy-3-methoxyphenyl)propanoic acid ; 3-Methyl-DL-Dopa ; 

Lamotrigine 3 3 Dimer

Catalogue No.: EZA0138CAS No. : 1797983-48-2Mol. Formula : C19H14Cl4N10Mol. Weight :524,19Synonym(s) : 3-[[5-Amino-6-(2,3-dichlorophenyl)-1,2,4-triazine-3-amino]methylamino]-5-amino-6-(2,3-dichlorophenyl)-1,2,4-triazine;

Lamotrigine 5 5 Dimer

Catalogue No.: EZA0139CAS No. : N/AMol. Formula : C19H14Cl4N10Mol. Weight :524,19Synonym(s) : N5,N5'-Methylenebis(6-(2,3-dichlorophenyl)-1,2,4-triazine-3,5-diamine) ; Lamotrigine Dimer Impurity 2

Lercanidipine Hydrochloride Impurity D

Catalogue No.: EZA0152CAS No. : 887769-34-8Mol. Formula : C36H39N3O6.HCl Mol. Weight :646,19Synonym(s) : 2,6-Dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic Acid 3-[2-[(3,3-Diphenylpropyl)methylamino]-1,1-dimethylethyl] 5-Methyl Ester

Levetiracetam Cyclic Acid

Catalogue No.: EZA0170CAS No. : 67118-31-4Mol. Formula : C8H13NO3Mol. Weight : 171.20Synonym(s) : 2RS)-2-(2-Oxopyrrolidin-1-yl)butanoic acid

Lapatinib Impurity 1

Catalogue No.: EZA0189CAS No. : 1268997-70-1Mol. Formula : C22H21ClN4O4S Mol. Weight :472,95Synonym(s) : 2-chloro-4-((6-(5-(((2-(methylsulfonyl)ethyl)amino)methyl)furan-2-yl)quinazolin-4-yl)amino)phenol

Lapatinib Impurity 2

Catalogue No.: EZA0190CAS No. : 1807733-95-4Mol. Formula : C29H24ClFN4O4SMol. Weight :579,04Synonym(s) : 6-(4-((3-chloro-4-((3-fluorobenzyl)oxy)phenyl)amino)quinazolin-6-yl)-1-(2-(methylsulfonyl)ethyl)pyridin-1-ium-3-olate

Lapatinib Impurity 3

Catalogue No.: EZA0191CAS No. : 697299-82-4Mol. Formula : C26H20ClFN4O2Mol. Weight :474,91Synonym(s) : 6-[5-(aminomethyl)furan-2-yl]-N-[3-chloro-4-[(3-fluorophenyl)methoxy]phenyl]quinazolin-4-amine  

Lapatinib Impurity 5

Catalogue No.: EZA0192CAS No. : 231278-84-5Mol. Formula : C26H17ClFN3O4Mol. Weight :489,89Synonym(s) : 5-(4-((3-chloro-4-((3-fluorobenzyl)oxy)phenyl)amino)quinazolin-6-yl)furan-2-carboxylic acid

Levodopa EP Impurity A

Catalogue No.: EZA0253CAS No. : 27244-64-0Mol. Formula : C₉H₁₁NO₅Mol. Weight :213,19Synonym(s) : 2,4,5-Trihydroxy-L-phenylalanine; 2,4,5-Trihydroxyphenylalanine; 

Levodopa EP Impurity B

Catalogue No.: EZA0254CAS No. : 60-18-4Mol. Formula : C₉H₁₁NO₃Mol. Weight :181,19Synonym(s) : (-)-α-Amino-p-hydroxyhydrocinnamic Acid; Therigon; p-Tyrosine;

Levothyroxine Impurity A

Catalogue No.: EZA0257CAS No. : 6893-02-3Mol. Formula : C₁₅H₁₂I₃NO₄ Mol. Weight :650,97Synonym(s) : O-(4-Hydroxy-3-iodophenyl)-3,5-diiodo-L-tyrosine; Liothyronine; T3; L-T3;3,3’,5-Triiodothyronine;

Lidocaine Related Compound H

Catalogue No.: EZA0258CAS No. : 1131-01-7Mol. Formula :C₁₀H₁₂ClNOMol. Weight :197,66Synonym(s) : 1-Chloroacetylamino-2,6-dimethylbenzene, 2-Chloro-2′,6′-acetoxylidide, 2-Chloro-2′,6′-dimethylacetanilide,

Lamivudine Impurity A                  

Catalogue No.: EZA0277CAS No. : 173829-09-9Mol. Formula : C₈H₉N₃O₄SMol. Weight :243,24Synonym(s) : (2R-cis)-5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid;

Lamotrigine EP Impurity A          

Catalogue No.: EZA0281CAS No. : 252186-78-0Mol. Formula : C9H6Cl2N4O Mol. Weight :257,08Synonym(s) : 3-Amino-6-(2,3-dichlorophenyl)-1,2,4-tryriazin-5(2H)-one; 

Lamivudine Impurity H

Catalogue No.: EZA0297CAS No. : 160552-54-5Mol. Formula : C₈H₁₁N₃O₄S Mol. Weight :245,26Synonym(s) : Lamivudine (R)-S-Oxide; 4-Amino-1-[(2R,3R,5S)-2-(hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl]-2(1H)-pyrimidinone;

Levofloxacine Imp. B

Catalogue No.: EZA010CAS No. : 100986-89-8Mol. Formula :C₁₃H₉F₂NO₄Mol. Weight :281,22Synonym(s) :(3S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid; Levofloxacin Q-Acid; 

Levofloxacine Impurity C

Catalogue No.: EZA0313CAS No. : 177472-30-9Mol. Formula :C₂₀H₂₄FN₃O₄Mol. Weight :389,43Synonym(s) :(3S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid Ethyl Ester; USP Levofloxacin Related Compound C; 

Levetiracetam Impurity-B

Catalogue No.: EZA0340CAS No. : 358629-47-7Mol. Formula :C₈H₁₂N₂O₂Mol. Weight :168,19Synonym(s) :Levetiracetam Impurity B; 2-(2-Oxo-pyrrolidin-1-yl)-but-2-enoic Acid Amide; Levetiracetam EP Impurity B; Dehydro Levetiracetam

Loperamide Related Compound C

Catalogue No.: EZA0366CAS No. : 39512-49-7Mol. Formula :C11H14ClNOMol. Weight :211,69Synonym(s) :(4-(4-Chlorophenyl)piperidin-4-ol ; 4-(4-Chlorophenyl)-4-hydroxypiperidin)

Loperamide Related Compound H

Catalogue No.: EZA0367CAS No. : 61299-42-1Mol. Formula :C29H31ClN2OMol. Weight :459,02Synonym(s) :(4-[4-(4-Chlorophenyl)-3,6-dihydropyridin-1(2H)-yl]-N,Ndimethyl-2,2-diphenylbutanamide)

Loperamide Related Compound D

Catalogue No.: EZA0368CAS No. : 37743-41-2Mol. Formula :C29H34N2O2Mol. Weight :442,59Synonym(s) :(4-(4-Hydroxy-4-phenylpiperidin-1-yl)-N,N-dimethyl-2,2-diphenylbutanamide)

Loperamide Related Compound F

Catalogue No.: EZA0369CAS No. : 106900-12-3Mol. Formula :C₂₉H₃₃ClN₂O₃Mol. Weight :493,04Synonym(s) :(4-[Trans-4-(4-Chlorophenyl)-4-hydroxy-1-oxidopiperidin-1-yl]-N,N-dimethyl-2,2-diphenylbutanamide)

Loperamide Related Compound E

Catalogue No.: EZA0370CAS No. : 1426322-82-8Mol. Formula :C₃₈H₄₀Cl₂N₂O₃Mol. Weight :643,64Synonym(s) :(4-(4-Chlorophenyl)-1-[4-[4-(4-chlorophenyl)-4-hydroxypiperidin-1-yl]-2,2-diphenylbutanoyl]piperidin-4-ol)

Loperamide Impurity G

Catalogue No.: EZA0371CAS No. : 109572-89-6Mol. Formula :C29H33ClN2O3Mol. Weight :493,04Synonym(s) :4-[cis-4-(4-Chlorophenyl)-4-hydroxy-1-oxidopiperidin-1-yl]-N,N-dimethyl-2,2-diphenylbutanamide

Loperamide Impurity A

Catalogue No.: EZA0372CAS No. : 1391052-94-0Mol. Formula :C35H37ClN2O2Mol. Weight :553,14Synonym(s) :[4-(4-(4'-chloro-[1,1'-biphenyl]-4-yl)-4-hydroxypiperidin-1-yl)-N,Ndimethyl-2,2-diphenylbutanamide]

Levofloxacin Related Compound A

Catalogue No.: EZA0373CAS No. : 117707-40-1Mol. Formula :C17H18FN3O4Mol. Weight :347,34Synonym(s) :Desmethyl Levofloxacin; (3S)-9-Fluoro-2,3-dihydro-3-methyl-7-oxo-10-(1-piperazinyl)-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid; 

Loratadine EP Impurity E

Catalogue No.: EZA0393CAS No. : 170727-59-0Mol. Formula :C₂₂H₂₃ClN₂O₂Mol. Weight :382,88Synonym(s) :4-(8-Chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-yl)-3,6-dihydro-1(2H)-pyridinecarboxylic Acid Ethyl Ester; Loratadine EP Impurity E

M

Metaxalone Impurity A

Catalogue No.: EZA0002CAS No. : 59365-66-1Mol. Formula :C11H16O3Mol. Weight :196,3Synonym(s) :3-(3,5-Dimethylphenoxy)propane-1,2-diol

Metaxalone Impurity B

Catalogue No.: EZA0003CAS No. : CAS No. : 108-68-9Mol. Formula :C8H10OMol. Weight :122,2Synonym(s) :3, 5-Dimethylphenol

Moxifloxacin

Catalogue No.: EZA0102CAS No. : 151096-09-2Mol. Formula : C21H24FN3O4 Mol. Weight :401,438Synonym(s) : 7-[(4aS,7aS)-1,2,3,4,4a,5,7,7a-octahydropyrrolo[3,4-b]pyridin-6-yl]-1-cyclopropyl-6-fluoro-8-methoxy-4-oxoquinoline-3-carboxylic acid

Memantine Impurity IV

Catalogue No.: EZA0143CAS No. : 63971-25-5Mol. Formula : C12H21NOMol. Weight : 195.30Synonym(s) : 1-Amino-7-hydroxy-3,5-dimethyladamantane; 3-Amino-​5,​7-​dimethyl-tricyclo[3.3.1.1(3,​7)]​decan-​1-​ol

Mesalamin Impurity A – 4-Aminophenol R (EP)

Catalogue No.: EZA0160CAS No. : 123-30-8Mol. Formula : C6H7NOMol. Weight :109,13Synonym(s) : 4-Aminophenol, 4-Hydroxyaniline

Mesalamin Impurity B – 3-Aminophenol R (EP) 

Catalogue No.: EZA0161CAS No. : 591-27-5 Mol. Formula : C6H7NO Mol. Weight :109,13Synonym(s) : 4-amino 2-hydroxybenzoic acid

Mesalamin Impurity C – 2-Aminophenol R (EP)

Catalogue No.: EZA0162CAS No. : 95-55-6Mol. Formula : C6H7NOMol. Weight :109,13Synonym(s) : 5-amino-2-hydroxy-3-(4-sulfophenyl)benzoic acid

Mesalamin Impurity D – 3-Aminobenzoic acid (EP)

Catalogue No.: EZA0163CAS No. : 99-05-8Mol. Formula : C7H7NO2Mol. Weight :137,14Synonym(s) : 3-Amino benzoic acid; 3-aminobenzoic acid

Mesalamin Impurity F – 3-Aminosalicylic acid (DMF)

Catalogue No.: EZA0164CAS No. : 570-23-0Mol. Formula : C7H7NO3Mol. Weight :153,14Synonym(s) :  3-Amino-2-hydroxybenzoic acid

Mesalamin Impurity G –2,5-dihydroxybenzoic acid (EP)

Catalogue No.: EZA0165CAS No. : 490-79-9 Mol. Formula : C7H6O4 Mol. Weight :154,12Synonym(s) : 2,5-DHBA, DHB, Gentisic acid, Hydroquinonecarboxylic acid

Mesalamin Impurity K –Aniline (EP)

Catalogue No.: EZA0167CAS No. : 62-53-3Mol. Formula : C6H7NMol. Weight :93,13Synonym(s) : Aniline HCl, PhenylamineHydrochlorid

Metformin Impurity A

Catalogue No.: EZA0193CAS No. : 461-58-5Mol. Formula : C2H4N4Mol. Weight :84,08Synonym(s) :Metformin USP RC A ; 1-Cyanoguanidine ;

Metformin Impurity B

Catalogue No.: EZA0194CAS No. :  2959-04-8Mol. Formula : C4H8N8Mol. Weight :168,16Synonym(s) : Guanylmelamine HCl ; (4,6-Diamino-1,3,5-triazin-2-yl)guanidine HCl ;

Metformin Impurity C

Catalogue No.: EZA0195CAS No. : 1985-46-2Mol. Formula : C5H10N6 Mol. Weight :154,17Synonym(s) : Metformin USP RC C ; N,N-Dimethyl-1,3,5-triazine-2,4,6-triamine ;

Metformin Impurity D

Catalogue No.: EZA0196CAS No. : 108-78-1Mol. Formula : C3H6N6Mol. Weight :126,12Synonym(s) : Melamine ; 1,3,5-Triazine-2,4,6-triamine ;

Metformin Impurity E

Catalogue No.: EZA0197CAS No. : 36801-25-9Mol. Formula : C3H11N5O4S Mol. Weight :213,22Synonym(s) : Metformin USP RC B ; N-Desmethyl Metformin Sulfate ; 1-Methyl Biguanide Sulfate ;

Metformin Impurity F

Catalogue No.: EZA0198CAS No. :  506-59-2Mol. Formula : C4H12N6Mol. Weight :144,18Synonym(s) : Dimethylamine HCl ;

Methyl-5(6) [α-hydroxybenzyl] benzimidazole carbamate

Catalogue No.: EZA0213CAS No. : 60254-95-7Mol. Formula : C16H15N3O3 Mol. Weight :297,31Synonym(s) : Methyl 5-[(RS)-α-hydroxybenzyl]-1H-benzimidazole-2-carbamate

Memantine Acetamido impurity

Catalogue No.: EZA0223CAS No. : 19982-07-1Mol. Formula : C14H23NO Mol. Weight : 221.34Synonym(s) : 1-Actamido-3,5-dimethyladmantane

Memantine Bromo Impurity

Catalogue No.: EZA0228CAS No. : 941-37-7Mol. Formula : C12H19BrMol. Weight :243,18Synonym(s) : 1-Bromo-3,5-dimethyl-tricyclo[3.3.1.13,7]decane; 1-Bromo-3,5-dimethyladamantane; 

Miconazole Nitrate Impurity A

Catalogue No.: EZA0234CAS No. : 24155-42-8Mol. Formula : C11 H10 Cl2 N2 OMol. Weight :256,017Synonym(s) : (1RS)-1-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-yl)ethanol ; Tioconazole Imp. D (EP) ;

Miconazole Nitrate Impurity B

Catalogue No.: EZA0235CAS No. : N/AMol. Formula : C18H15Cl3N2O . HNO3Mol. Weight :381,69Synonym(s) : 1-[2-[(3-Chlorophenyl)methoxy]-2-(2,4-dichlorophenyl)ethyl]1H-Imidazole

Memantine Impurity C

Catalogue No.: EZA0311CAS No. : 707-36-8Mol. Formula :C₁₂H₁₉ClMol. Weight :198,73Synonym(s) :1-Chloro-3,5-dimethyltricyclo[3.3.1.13,7]decane; 1,3-Dimethyl-5-chloroadamantane; 5-Chloro-1,3-dimethyladamantane; 

Memantine Impurity A

Catalogue No.: EZA0312CAS No. : 702-79-4Mol. Formula :C₁₂H₂₀Mol. Weight :164,29Synonym(s) :Memantine Related Compound A (1,3-Dimethyladamantane)

Memantine Impurity D

Catalogue No.: EZA0313CAS No. : 941-37-7Mol. Formula :C₁₂H₁₉BrMol. Weight :243,19Synonym(s) :1-Bromo-3,5-dimethyl-tricyclo[3.3.1.13,7]decane; 1-Bromo-3,5-dimethyladamantane; 

Memantine Impurity E

Catalogue No.: EZA0314CAS No. : 351329-88-9Mol. Formula :C₁₃H₂₁NOMol. Weight :207,32Synonym(s) :Memantine Related Compound E, N-(3,5-Dimethyltricyclo[3.3.1.13,7]dec-1-yl)formamide; 1-Formylamino-3,5-dimethyladamantane;

Memantine Impurity B

Catalogue No.: EZA0315CAS No. : 707-37-9Mol. Formula :C₁₂H₂₀OMol. Weight :180,29Synonym(s) :Memantine Related Compound B, 3,5-Dimethyltricyclo[3.3.1.13,7]decan-1-ol; 1,3-Dimethyl-5-adamantanol; 

Mycophenolic Impurity B

Catalogue No.: EZA0316CAS No. : 26675-76-3Mol. Formula :C₁₇H₂₀O₆Mol. Weight :320,34Synonym(s) :Mycophenolate Mofetil Related Compound B; 7-hydroxy-5-methoxy-4-methyl-6-[2-(tetrahydro-2-methyl-5-oxo-2-furyl)ethyl]phthalide (8CI)

Mycophenolate Mofetil Related Compound A

Catalogue No.: EZA0322CAS No. : 1322681-36-6Mol. Formula :C₂₂H₂₉NO₇Mol. Weight :419.47Synonym(s) :O-Desmethyl Mycophenolate Mofetil

Montelukast Ketone

Catalogue No.: EZA0337CAS No. : 1258428-71-5Mol. Formula :C₂₉H₂₆ClNO₂Mol. Weight :455,98Synonym(s) :1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]-1-propanone

Montelukast Sulfoxide

Catalogue No.: EZA0338CAS No. : 909849-96-3Mol. Formula :C₃₅H₃₆ClNO₄SMol. Weight :602,19Synonym(s) :1-[[[1-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]sulfinyl]methyl]cyclopropaneacetic Acid; Montelukast M2; Montelukast EP Impurity C;

Mesalamine Impurity J

Catalogue No.: EZA0354CAS No. : 112725-89-0Mol. Formula :C7H8N2O3Mol. Weight :168,15Synonym(s) :3,5-diamino-2-hydroxybenzoicacid

Mirtazapine N Oxide

Catalogue No.: EZA0357CAS No. : 155172-12-6Mol. Formula :C₁₇H₁₉N₃OMol. Weight :281,35Synonym(s) :1,2,3,4,10,14b-Hexahydro-2-methyl-pyrazino[2,1-a]pyrido[2,3-c][2]benzazepine 2-Oxide. Mirtazapine EP Impurity A; 

N

Nimesulide Impurity C

Catalogue No.: EZA0153CAS No. :  2688-84-8Mol. Formula : C12H11NOMol. Weight :185,22Synonym(s) : 2-Aminophenyl phenyl ether

Nimesulide Impurity D

Catalogue No.: EZA0154CAS No. : 5422-92-4Mol. Formula : C12H10N2O3Mol. Weight :230,22Synonym(s) : 2-Amino-5-nitrodiphenyl ether, 4-Nitro-2-phenoxyaniline, 4-Nitro-2-phenoxybenzenamine

N-Methyl Etodolac

Catalogue No.: EZA0206CAS No. : 849630-94-0Mol. Formula : C₁₈H₂₃NO₃Mol. Weight :301,38Synonym(s) : 1,8-Diethyl-1,3,4,9-tetrahydro-9-methylpyrano[3,4]indole-1-acetic Acid;

N-Methyl Omeprazole

Catalogue No.: EZA0376CAS No. : 784143-42-6Mol. Formula :C₁₈H₂₁N₃O₃SMol. Weight :359,44Synonym(s) :6-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1-methyl-1H-benzimidazole

Nebivolol Impurity-RS,SR(NBB01)

Catalogue No.: EZA0426CAS No. : N/AMol. Formula :C18H20FNO2Mol. Weight :301.36Synonym(s) :(R,1S,1'S)-2,2'-Azanediylbis(1-((R)-6-fluorochroman-2-yl)ethanol);

Nebivolol Impurity-RSSS/SRRR(NBB03)

Catalogue No.: EZA0427CAS No. : N/AMol. Formula :C29H32ClF2NO4Mol. Weight :532,02Synonym(s) :

Nebivolol Impurity-B

Catalogue No.: EZA0428CAS No. : N/AMol. Formula :C22H26ClF2NO4Mol. Weight :441.90Synonym(s) :

Nebivolol Impurity-F (RSSS/SRRR)

Catalogue No.: EZA0429CAS No. : N/AMol. Formula :C22H26ClF2NO4Mol. Weight :441.90Synonym(s) :

Nebivolol Impurity-H05-1 (RS/SR)

Catalogue No.: EZA0435CAS No. : N/AMol. Formula :C11H11FO2Mol. Weight :194.20Synonym(s) :

Nebivolol Impurity-H05-2 ((RR/SS)

Catalogue No.: EZA0436CAS No. : N/AMol. Formula :C11H11FO2Mol. Weight :194.02Synonym(s) :

N-Nitrosodiethyl amine

Catalogue No.: EZA0466CAS No. : 55-18-5Mol. Formula :C₄H₁₀N₂OMol. Weight :102,13Synonym(s) :N-Nitrosodiethylamine solution, Diethylnitrosamine

N-Nitrosodiisopropyl Amine

Catalogue No.: EZA0468CAS No. : 621-64-7Mol. Formula :C₆H₁₄N₂OMol. Weight :130,19Synonym(s) :N-Nitroso-N-propyl-1-propanamine; N,N-Dipropylnitrosamine; N-Nitroso-N-di-n-propylamine; N-Nitrosodi-n-propylamine;

N Nitrosoethylmethyl Amine

Catalogue No.: EZA0473CAS No. : 10595-95-6Mol. Formula :C₃H₈N₂OMol. Weight :88,11Synonym(s) :N-Methyl-N-nitrosoethanamine; N-Nethyl-N-nitrosoethylamine; Ethylmethylnitrosamine; 

O

Open Ring Aztreonam

Catalogue No.: EZA0027CAS No. : 87500-74-1Mol. Formula :C13H19N5O6S Mol. Weight :373,384Synonym(s) :(2S,3S)-3-amino-2-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(2-carboxypropan-2-yloxyimino)acetyl]amino]butanoic acid

Ornidazole Impurity A

Catalogue No.: EZA0208CAS No. : 1384752-15-1Mol. Formula : C7H8ClN3O2Mol. Weight :201,61Synonym(s) : α-(Chloromethyl)-2-methyl-4-nitro-imidazole-1-ethanol; 1-(3-Chloro-2-hydroxypropyl)-2-methyl-4-nitroimidazole;

Oxybutynin Related Compound B

Catalogue No.: EZA0331CAS No. : 10399-13-0Mol. Formula :C₁₅H₂₀O₃Mol. Weight :248,32Synonym(s) :α-Cyclohexyl-α-hydroxybenzeneacetic Acid Methyl Ester; α-Phenylcyclohexaneglycolic Acid Methyl Ester; 

Oxybutynin Related Compound C

Catalogue No.: EZA0332CAS No. : 1199574-70-3Mol. Formula :C₂₁H₂₉NO₃Mol. Weight :343.46 Synonym(s) :4-(Ethyl(methyl)amino)but-2-yn-1-yl 2-cyclohexyl-2-hydroxy-2-phenylacetate

Oxybutynin Related Compound A

Catalogue No.: EZA0333CAS No. : 4335-77-7Mol. Formula :C₁₄H₁₈O₃Mol. Weight :234.29Synonym(s) :2-Cyclohexylmandelicacid; Cyclohexylphenylglycolic Acid; USP Oxybutynin Related Compound A; Oxybutynin USP Related Compound A

Omeprazole Impurity D

Catalogue No.: EZA0344CAS No. : 88546-55-8Mol. Formula :C₁₇H₁₉N₃O₄SMol. Weight :361,42Synonym(s) :5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfonyl]-1H-benzimidazole; USP Omeprazole Related Compound A; 

Omeprazole N Oxide

Catalogue No.: EZA0374CAS No. : 176219-04-8Mol. Formula :C₁₇H₁₉N₃O₄SMol. Weight :361,42Synonym(s) :6-Methoxy-2-[[(4-methoxy-3,5-dimethyl-1-oxido-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole; Omeprazole Impurity E

Ofloxacin Related Compound A

Catalogue No.: EZA0379CAS No. : 82419-52-1Mol. Formula :C₁₇H₁₈FN₃O₄Mol. Weight :347,34Synonym(s) :Desmethyl Ofloxacin; 9-Fluoro-2,3-dihydro-3-methyl-7-oxo-10-(1-piperazinyl)-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid; 

Olopatadine E-isomer

Catalogue No.: EZA0380CAS No. : 949141-22-4Mol. Formula :C₂₁H₂₃NO₃ • HClMol. Weight :373,87Synonym(s) :(E)-Olopatadine Hydrochloride; (11E)-11-[3-(Dimethylamino)propylidene]-6,11-dihydrodibenz[b,e]oxepin-2-acetic Acid Hydrochloride;

P

Pregabalin Impurity -I

Catalogue No.: EZA0045CAS No. : 1568181-40-7Mol. Formula :C9H17NO3Mol. Weight :187,24Synonym(s) :Pregabalin Amide Impurity ; (S)-3-(aminomethyl)-5-methylhexanamide

Pregabalin Impurity -II

Catalogue No.: EZA0046CAS No. : 1136478-30-2Mol. Formula :C9H16O4Mol. Weight :188,22Synonym(s) :5,6-Dehydro Pregabalin ; 3-(aminomethyl)-5-methylhex-5-enoic acid

Pregabalin Impurity -III

Catalogue No.: EZA0047CAS No. : 216576-74-8Mol. Formula :C8H15NOMol. Weight :141,21Synonym(s) :4,5-Dehydro Pregabalin Formate ; 3-(aminomethyl)-5-methylhex-4-enoic acid

Pregabalin Impurity -IV

Catalogue No.: EZA0048CAS No. : 75143-89-4Mol. Formula :C8H17NO2Mol. Weight :159,23Synonym(s) :Pregabalin Impurity B (3-Isobutylglutaric Acid) ; 3-isobutylpentanedioic acid

Piribedil Catechol

Catalogue No.: EZA0099CAS No. : 50602-50-1Mol. Formula : C15H18N4O2Mol. Weight :286,33Synonym(s) : 1-(3,4-DIHYDROXYBENZYL)-4-(2-PYRIMIDINYL)-PIPERAZINEM

P- Oh Piribedil

Catalogue No.: EZA0100CAS No. : 3605-01-4Mol. Formula : C15H18N4O Mol. Weight :270,33Synonym(s) :2-[4-(1,3-BENZODIOXOL-5-YLMETHYL)PIPERAZIN-1-YL]-5-HYDROXY

Piribedil N- oxide

Catalogue No.: EZA0101CAS No. : 53954-71-5Mol. Formula : C16H18N4O3Mol. Weight :314,34Synonym(s) : 2-[4-(1,3-benzodioxol-5-ylmethyl)-4-oxido-1-piperazinyl]-Pyrimidine; 

Piroxicam Impurity L

Catalogue No.: EZA0105CAS No. : 118854-48-1Mol. Formula : C13H15NO5SMol. Weight :297,33Synonym(s) : 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic Acid 1-Methylethyl Ester1,1-Dioxide

Paliperidone Impurity 1

Catalogue No.: EZA0116CAS No. : N/AMol. Formula : C14H15F2NO2Mol. Weight :267,27Synonym(s) : 1-Acetyl-4-(2,4-difluorobenzoyl)Piperidine

Paliperidone Impurity 2

Catalogue No.: EZA0117CAS No. : N/AMol. Formula : C12H14F2N2O Mol. Weight :240,25Synonym(s) : 4-(2,4-Difluorobenzoyl)piperidine Oxime

Paliperidone Impurity 3

Catalogue No.: EZA0118CAS No. : N/AMol. Formula : C12H14ClF2NOMol. Weight :261,69Synonym(s) : 4-(2,4-Difluorobenzoyl)-piperidine hydrochloride

Prasugrel Impurity 3

Catalogue No.: EZA0122CAS No. : 951380-42-0Mol. Formula : C20H21BrFNO3 SMol. Weight :454,35Synonym(s) : 5-(1-(2-fluorophenyl)-2-oxopropyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl acetate

Prednisolone Acetate (Ep Impurity C)

Catalogue No.: EZA0236CAS No. : 52-21-1Mol. Formula : C₂₃H₃₀O₆ Mol. Weight :402,48Synonym(s) : (11β)-21-(Acetyloxy)-11,17-dihydroxypregna-1,4-diene-3,20-dione; 

Prasugrel Hydroxy Thiolactone

Catalogue No.: EZA0237CAS No. : 947502-66-1Mol. Formula : C18H18FNO3SMol. Weight :347,4Synonym(s) : 5-[2-Cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl]-5,6,7,7a-tetrahydro-7a-hydroxythieno[3,2-c]pyridin-2(4H)-one;

Piperquine Impurity 1     

Catalogue No.: EZA0290CAS No. : 837-52-5Mol. Formula : C13H14ClN3Mol. Weight :247,73Synonym(s) : [7-Chloro-4-(Piperazinyl)quinoline]

Paracetamol Impurity F

Catalogue No.: EZA0317CAS No. : 100-02-7Mol. Formula :C₆H₅NO₃Mol. Weight :139,11Synonym(s) :p-Nitrophenol; 1-Hydroxy-4-nitrobenzene; 4-Hydroxy-1-nitrobenzene; 4-Hydroxynitrobenzene;

Paracetamol Impurity J

Catalogue No.: EZA0318CAS No. : 539-03-7Mol. Formula :C₈H₈ClNOMol. Weight :169,61Synonym(s) :N-(4-Chlorophenyl)acetamide; N-(p-Chlorophenyl)acetamide; N-Acetyl-4-chloroaniline;

Paracetamol Impurity K

Catalogue No.: EZA0319CAS No. : 123-30-8Mol. Formula :C₆H₇NOMol. Weight :109,13Synonym(s) :p-Aminophenol; 1-Amino-4-hydroxybenzene; 4-Amino-1-hydroxybenzene; 

Pantoprazol Impurity A

Catalogue No.: EZA0345CAS No. : 127780-16-9Mol. Formula :C₁₆H₁₅F₂N₃O₅SMol. Weight :399,37Synonym(s) :5-Difluoromethoxy-2-[[(3,4-dimethoxy)-2-pyridyl]methylsulfonyl]-1H-benzimidazole; USP Pantoprazole Related Compound A; 

Pantoprazol Impurity B

Catalogue No.: EZA0346CAS No. : 102625-64-9Mol. Formula :C₁₆H₁₅F₂N₃O₃SMol. Weight :367,37Synonym(s) :5-(Difluoromethoxy)-2-[[(3,4-dimethoxy-2-pyridinyl)methyl]thio]-1H-benzimidazole; Pantoprazole Thioether;

Propanalol Impurity E

Catalogue No.: EZA0390CAS No. : 2461-42-9Mol. Formula :C₁₃H₁₂O₂Mol. Weight :200,23Synonym(s) :2-[(1-Naphthalenyloxy)methyl]oxirane; 1-(2,3-Epoxypropoxy)naphthalene,; 1-Naphthol Glycidyl Ether; 

Propofol Impurity K

Catalogue No.: EZA0406CAS No. : 14366-59-7Mol. Formula :C12H18OMol. Weight :178,27Synonym(s) :1-(1-Methylethoxy)-2-(1-methylethyl)benzene; o-Cumenyl Isopropyl Ether; 1-(1-Methylethoxy)-2-(1- methylethyl)benzene;

Propofolol Impurity L

Catalogue No.: EZA0407CAS No. : 201166-22-5Mol. Formula :C12H16O2Mol. Weight :192,25Synonym(s) :2,2-Dimethyl-4-(1-methylethyl)-1,3-benzodioxole;

Propofolol Impurity O

Catalogue No.: EZA0407CAS No. : 74663-48-2Mol. Formula :C12H18OMol. Weight :178,27Synonym(s) :2-(1-Methylethyl)-6-propylphenol;

Pregabalin Impurity-A (USP)

Catalogue No.: EZA0418CAS No. : 148553-51-9Mol. Formula :C₈H₁₇NO₂Mol. Weight :159,23Synonym(s) :(3R)-3-(aminomethyl)-5-methylhexanoic acid

Paracetamol Impurity I

Catalogue No.: EZA0420CAS No. : 118-93-4Mol. Formula :C₈H₈O₂Mol. Weight :136,15Synonym(s) :2-Hydroxyacetophenone; 1-(2-Hydroxyphenyl)ethanone; 

Paracetamol Impurity D

Catalogue No.: EZA0422CAS No. : 103-84-4Mol. Formula :C₈H₉NOMol. Weight :135,16Synonym(s) :N-Phenyl-acetamide; N-Acetyl-benzenamine; Antifebrin;

Paracetamol Impurity A

Catalogue No.: EZA0423CAS No. : 614-80-2Mol. Formula :C₈H₉NO₂Mol. Weight :151.16 Synonym(s) :2-(N-Acetylamino)phenol; 2-Acetaminophenol; 2-Hydroxyacetanilide;

Paracetamol Impurity H

Catalogue No.: EZA0424CAS No. : 2623-33-8Mol. Formula :C₁₀H₁₁NO₃Mol. Weight :193,2Synonym(s) :N,O-Diacetyl-4-aminophenol; Acetaminophen Acetate; N-[4-(Acetyloxy)phenyl]acetamide;

Paracetamol Impurity E

Catalogue No.: EZA0425CAS No. : 99-93-4Mol. Formula :C₈H₈O₂Mol. Weight :136,15Synonym(s) :4'-Hydroxyacetophenone; 1-(4-Hydroxyphenyl)ethanone; 

Paracetamol Impurity-G

Catalogue No.: EZA0430CAS No. : 34523-34-7Mol. Formula :C₈H₉NO₂Mol. Weight :151,16Synonym(s) :4'-Hydroxyacetophenone Oxime; 1-(4-Hydroxyphenyl)ethanone Oxime; 1-(4-Hydroxyphenyl)-1-ethanone Oxime;

Paracetamol Impurity N

Catalogue No.: EZA0434CAS No. : 3070-86-8Mol. Formula :C₁₆H₁₆N₂O₃Mol. Weight :284,31Synonym(s) :N,N'-(Oxybis(4,1-phenylene))diacetamide; 4′,4′′′-Oxybisacetanilide; 

Paracetamol Impurity B

Catalogue No.: EZA0443CAS No. : 1693-37-4Mol. Formula :C₉H₁₁NO₂Mol. Weight :165,19Synonym(s) :N-Propionyl-4-aminophenol; 4-Propionamidophenol; 4'-Hydroxypropionanilide; 

Paracetamol Impurity C

Catalogue No.: EZA0444CAS No. : 3964-54-3Mol. Formula :C₈H₈ClNO₂Mol. Weight :185,61Synonym(s) :3′-Chloro-4′-hydroxyacetanilide; 4-Acetylamino-2-chlorophenol; 3'-Chloro-4'-hydroxyacetanilide; 

Prometazine Impurity C

Catalogue No.: EZA0447CAS No. :  60113-77-1Mol. Formula :C₁₆H₁₉ClN₂SMol. Weight :270,39Synonym(s) :(2RS)-N-Methyl-1-(10H-phenothiazin-10-yl)propan-2-amine; N-Desmethyl Promethazine

Prometazine Impurity D

Catalogue No.: EZA0448CAS No. : 7640-51-9Mol. Formula :C₁₇H₂₀N₂OSMol. Weight :300,42Synonym(s) :(2RS)-N,N-Dimethyl-1-(10H-phenothiazin-10-yl)propan-2-amine S-oxide, Promethazine 5-sulfoxide

Prometazine Impurity A

Catalogue No.: EZA0449CAS No. : 92-84-2Mol. Formula :C₁₂H₉NSMol. Weight :199,27Synonym(s) :"Phenothiazine; Dibenzothiazine 10H-Phenothiazine; Dibenzo-1,4-thiazine;"

Prometazine Impurity B

Catalogue No.: EZA0450CAS No. : 5568-90-1Mol. Formula :C₁₇H₂₀N₂S. HClMol. Weight :320.88 Synonym(s) :N,N-dimethyl-2-(10H-phenothiazin-10-yl)propan-1-amine hydrochloride

Pramipexole EP Impurity C [Pramipexole Dimer Impurity]

Catalogue No.: EZA0463CAS No. : 1973461-14-1Mol. Formula :C20H32N6S2Mol. Weight :420,64Synonym(s) :(6S)-N6-[3-[[(6S)-2-Amino-4,5,6,7-tetrahydro-6-benzothiazolyl]amino]-1-ethyl-2-methylpropyl]-4,5,6,7-tetrahydro-2,6-benzothiazolediamine

Q

R

R(-) Sitagliptin Mandalate Acid

Catalogue No.: EZA0021CAS No. :  486460-00-8Mol. Formula :C₈H₈O₃Mol. Weight :152,15Synonym(s) :(αR)-α-Hydroxybenzeneacetic Acid; D-Mandelic Acid; (-)-(R)-Mandelic Acid; 

Rizatriptan Carboxylic Acid Impurity

Catalogue No.: EZA0033CAS No. : 260435-42-5Mol. Formula :C13H12N4O2 Mol. Weight :256Synonym(s) :benzoic acid;N,N-dimethyl-2-[5-(1,2,4-triazol-1-ylmethyl)-1H-indol-3-yl]ethanamine

Risperidone N-Oxide

Catalogue No.: EZA0037CAS No. : 832747-55-4Mol. Formula :C23H27FN4O3Mol. Weight :426,21Synonym(s) :3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-oxido-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one ;

Rizatriptan -N-Oxide

Catalogue No.: EZA0049CAS No. : 260435-42-5Mol. Formula :C15H19N5OMol. Weight :285,34Synonym(s) :N,N-dimethyl-2-[5-(1,2,4-triazol-1-ylmethyl)-1H-indol-3-yl]ethanamine oxide 

Repaglinide Impurity A

Catalogue No.: EZA0053CAS No. : 220438-80-2Mol. Formula :C₁₁H₁₂O₅Mol. Weight :224,21Synonym(s) :4-Carboxy-3-ethoxybenzeneacetic Acid;

Repaglinide Impurity B

Catalogue No.: EZA0054CAS No. : 99469-99-5Mol. Formula :C13H16O5 Mol. Weight :252,26Synonym(s) :[3-Ethoxy-4-(ethoxycarbonyl)phenyl]acetic acid;

Repaglinide Impurity C

Catalogue No.: EZA0055CAS No. : 219921-94-5Mol. Formula :C₂₃H₃₇N₃O₅Mol. Weight :435,56Synonym(s) :(αS)-α-(2-Methylpropyl)-2-(1-piperidinyl)benzenemethanamine N-Acetyl-L-glutamate;

Repaglinide Impurity D

Catalogue No.: EZA0056CAS No. : 147770-06-7Mol. Formula :C29H40N2O4 Mol. Weight :480,64Synonym(s) :Ethyl 2-ethoxy-4-[2-[[(1S)-3-methyl-1-[2-(piperidin-1-yl)phenyl] butyl] amino]-2-oxoethyl]benzoate ;

Roxithromycin Impurity A

Catalogue No.: EZA0110CAS No. : 114-07-8Mol. Formula : C37H67NO13 Mol. Weight :733,93Synonym(s) : (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexo pyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylohexopyranosyl]oxy] oxacyclotetradecane-2,10-dione; 

Ropinirole Impurity C

Catalogue No.: EZA0140CAS No. : 221264-43-3Mol. Formula : C10H11NOMol. Weight : 161.20Synonym(s) : 4-Ethyl-1,3-dihydro-2H-indol-2-one

Rosuvastatin Methyl Ester

Catalogue No.: EZA047CAS No. : 147118-40-9Mol. Formula : C23H30FN3O6SMol. Weight :495,56Synonym(s) : 3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic Acid Methyl Ester;

Rosuvastatin Isoamyl Ester

Catalogue No.: EZA0148CAS No. : 1197348-98-3Mol. Formula : C27H38FN3O6S Mol. Weight :551,67Synonym(s) : (3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic Acid 3-Methylbutyl Ester;

Ropinirole Impurity D

Catalogue No.: EZA0158CAS No. : 173990-76-6Mol. Formula : C16H24N2O4Mol. Weight :308,37Synonym(s) : 2-(2-(2-(Dipropylamino)ethyl)-6-nitrophenyl)-acetic acid hydrochloride

Rosuvastatin EP C

Catalogue No.: EZA0209CAS No. : 1422619-13-3Mol. Formula : C22H26FN3O6S Mol. Weight :479,52Synonym(s) : (3R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-3-hydroxy-5-oxo-6-heptenoic Acid;

Rosuvastatin EP Impurity G

Catalogue No.: EZA0210CAS No. : 1242184-42-4Mol. Formula : C22H28FN3O6SMol. Weight :481,54Synonym(s) : (3S,5R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl) amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid calcium salt ;

Rosuvastatin (3R,5R)-Isomer

Catalogue No.: EZA02011CAS No. : 1094100-06-7Mol. Formula : C22H27FN3O6SMol. Weight :480,53Synonym(s) : (3R,5R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl) amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid calcium salt ;

Riluzole Impurity B

Catalogue No.: EZA0212CAS No. : 144631-82-3Mol. Formula : C8H4BrF3N2OSMol. Weight :313,1Synonym(s) : 4-Bromo-6-(trifluoromethoxy-2-benzothiazolamine

Risperidone Impurity E/6-Methyl Risperidone  

Catalogue No.: EZA0283CAS No. : 1346602-28-5Mol. Formula : C24H29FN4O2 Mol. Weight :424,51Synonym(s) : 3-[2-4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl-6,7,8,9-tetrahydro-2,6-dimethyl-4H-pyrido[1,2-a]pyrimidin-4-one; 

Risperidone Desfluoro        

Catalogue No.: EZA0284CAS No. : 106266-09-5Mol. Formula : C23H28N4O2 Mol. Weight :392,49Synonym(s) : 3-[2-[4-(1,2-Benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one; 

Risperidone Difluoro

Catalogue No.: EZA0285CAS No. : 158697-67-7Mol. Formula : C23H27F2N3O2Mol. Weight :415,48Synonym(s) : Risperidone Difluoro Acetyl Impurity ; 4-(2,4-Difluorobenzoyl)-N-acetylpiperidine

Risperidone Z-Oxime Impurity             

Catalogue No.: EZA0286CAS No. : 132961-05-8Mol. Formula : C23H28F2N4O2Mol. Weight :430,49Synonym(s) : 3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyimino)methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one;

Rosuvastatin Dehydro Analog  

Catalogue No.: EZA0289CAS No. : 1659301-59-3Mol. Formula : C22H25FN3NaO5S Mol. Weight :485,5Synonym(s) : N-[4-(4-Fluorophenyl)-6-(1-methylethyl)-5-[(1E)-2-[(2S,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethenyl]-2-pyrimidinyl]-N-methylmethanesulfonamide ;

Risperidone E -oxime

Catalogue No.: EZA0302CAS No. : 691007-09-7Mol. Formula :C23H28F2N4O2Mol. Weight :430,49Synonym(s) :3-[2-[4-[(E)-(2,4-Difluorophenyl)(hydroxyimino)methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one; 

Rosuvastatin anti-Isomer Calcium Salt

Catalogue No.: EZA0303CAS No. : 1094100-06-7 Mol. Formula :C22H27FN3O6SMol. Weight :480,53Synonym(s) :(3R,5R,E)-7-(4-(4-Fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyridimidin-5-yl)-3,5-dihydroxyhept-6-enoic acid;Rosuvastatin (3R,5R)-Isomer Calcium

Rosuvastatin Ketone

Catalogue No.: EZA0334CAS No. : 1422619-13-3Mol. Formula :C₂₂H₂₅FN₃O₆S . 1/2 CaMol. Weight :478,51Synonym(s) :(3R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-3-hydroxy-5-oxo-6-heptenoic Acid; 3-Hydroxy-5-keto Rosuvastatin;

Rosuvastatin Dehydro

Catalogue No.: CAS No. : Mol. Formula :Mol. Weight :Synonym(s) :

Rosuvastatin Diastereomer

Catalogue No.: EZA0336CAS No. : 1094100-06-7Mol. Formula :C₂₂H₂₇FN₃O₆SMol. Weight :480,53Synonym(s) :Rosuvastatin (3R,5R)-Isomer; (3R,5R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic Acid;(3R,5R,E)-7-(4-(4-Fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoic Acid;

Rivastigmine EP impurity A

Catalogue No.: EZA0352CAS No. : 139306-10-8Mol. Formula :C₁₀H₁₅NOMol. Weight :165,23Synonym(s) :(S)-3-[1-(Dimethylamino)ethyl]phenol; 3-[(1S)-1-(Dimethylamino)ethyl]phenol; Rivastigmine EP Impurity A;

Rivastigmine EP impurity B

Catalogue No.: EZA0352CAS No. : 1230021-28-9Mol. Formula :C13H20N2O2Mol. Weight :236,31Synonym(s) :N,​N-Ddimethyl-carbamic Acid 3-​[(1S)​-​1-​(Dimethylamino)​ethyl]​phenyl Ester; Rivastigmine EP Impurity B;

Rabeprazole chloro Analogue Impurity

Catalogue No.: EZA0416CAS No. : 168167-42-8Mol. Formula :C14H12ClN3OS Mol. Weight :305.78Synonym(s) :2-[[(4-Chloro-3-methyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole

S

Sildenafil Citrate Impurity 4

Catalogue No.: EZA0001CAS No. :  1391053-95-4Mol. Formula :C17H20N4O5SMol. Weight :392,43Synonym(s) :3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzenesulfonic Acid 

Salmeterol Impurity A

Catalogue No.: EZA0064CAS No. : 1798014-51-3 Mol. Formula : C20H25NO4Mol. Weight :343,423Synonym(s) : [1-[4-hydroxy-3-(hydroxymethyl)phenyl]-2-(4-phenylbutylamino)ethyl] formate

Salmeterol Impurity B

Catalogue No.: EZA0065CAS No. : 94749-02-7Mol. Formula : C23H33NO4Mol. Weight :387,51Synonym(s) : 1-[4-Hydroxy-3-(hydroxymethyl)phenyl]-2-[[6-(2-phenylethoxy)hexyl]amino] ethanol ;

Salmeterol Impurity D

Catalogue No.: EZA0066CAS No. : 1391052-04-2Mol. Formula : C34H47NO7Mol. Weight :581,75Synonym(s) : 4-[1-hydroxy-2-[2-(hydroxymethyl)-4-[1-hydroxy-2-[6-(4-phenylbutoxy)hexylamino]ethyl]phenoxy]ethyl]-2-(hydroxymethyl)phenol

Salmeterol Impurity F

Catalogue No.: EZA0069CAS No. : 1391054-40-2Mol. Formula : C25H37NO3Mol. Weight :399,57Synonym(s) : (R)-4-(1-hydroxy-2-((6-(4-phenylbutoxy)hexyl)amino)ethyl)-2-methylphenol

Simvastatin impurity E

Catalogue No.: EZA0091CAS No. : 75330-75-5Mol. Formula : C24H36O5Mol. Weight :404,54Synonym(s) : (2S)-2-Methylbutanoic Acid (1S,3R,7S,8S,8aR)-1,2,3,7,8,8a-Hexahydro-3,7-dimethyl-8-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl Ester;

Simvastatin Impurity F

Catalogue No.: EZA0092CAS No. : 79952-44-6 Mol. Formula : C24H36O5 Mol. Weight :404,54Synonym(s) : (1S,3R,7S,8S,8aR)-8-[2-[(2R,4R)-4-Hydroxy-6-oxotetrahydro-2H-pyran-2-yl]ethyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl (2R)-2-methylbutanoate

Simvastatin Impurity D

Catalogue No.: EZA0093CAS No. : 476305-24-5Mol. Formula : C50H76O10Mol. Weight :837,13Synonym(s) : (3R,5R)-((2R,4R)-2-(2-((1S,2S,6R,8S)-8-(2,2-Dimethylbutanoyloxy)-2,6-dimethyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl)ethyl)-6-oxo-tetrahydro-2H-pyran-4-yl) 7-((2S,6R,8S)-8-(2,2-dimethylbutanoyloxy)-2,6-dimethyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl)-3,5-dihydroxyheptanoate ;

Simvastatin Impurity G

Catalogue No.: EZA0094CAS No. : 1449248-72-9Mol. Formula : C25H36O5 Mol. Weight :416,55Synonym(s) : [1S-[1α,3α,7β,8β(2S*,4S*),8aβ]]- 2,2,3-Trimethyl-3-butenoic Acid 1,2,3,7,8,8a-Hexahydro-3,7-dimethyl-8-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl]-1-naphthalenyl Ester;

Simvastatin Impurity B

Catalogue No.: EZA0108CAS No. : 145576-25-6Mol. Formula : C₂₇H₄₀O₆ Mol. Weight :460,6Synonym(s) : 2,2-Dimethylbutanoic Acid (1S,3R,7S,8S,8aR)-8-[2-[(2R,4R)-4-(Acetyloxy)tetrahydro-6-oxo-2H-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-1-naphthalenyl Ester;

Simvastatin Impurity C

Catalogue No.: EZA0109CAS No. : 210980-68-0 Mol. Formula : C25H36O4Mol. Weight : 400.55Synonym(s) : 2,2-Dimethylbutanoic Acid (1S,3R,7S,8S,8aR)-8-[2-[(2R)-3,6-Dihydro-6-oxo-2H-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydro-3,7-dimethyl-1-naphthalenyl Ester;

Sofosbuvir impurity

Catalogue No.: EZA0124CAS No. : 1233335-78-8Mol. Formula : C20H17FO6Mol. Weight :372,34Synonym(s) : (2R,3R,4S,5R)-5-(4-BENZAMIDO-2-OXOPYRIMIDIN-1(2H)-YL)-2-((BENZOYLOXY)METHYL)-4-FLUORO-4-METHYLTETRAHYDROFURAN-3-YL

Sofosbuvir- 7 2'- beta- fluoro

Catalogue No.: EZA0125CAS No. : 1987957-28-7Mol. Formula : C₂₈H₆₁FN₅O₁₄P₃ Mol. Weight :803,73Synonym(s) : (2’R)​-2’-​Deoxy-​2’-​fluoro-​2’-​methyl-uridine 5’-​Triphosphate Triethylammonium Salt;

Sorafenib N Oxide

Catalogue No.: EZA0133CAS No. : 583840-03-3Mol. Formula : C21H16ClF3N4O4Mol. Weight :480,82Synonym(s) : 4-[4-[[[[4-Chloro-3-(trifluoromethyl)phenyl]amino]carbonyl]amino]phenoxy]-N-methyl-2-pyridinecarboxamide 1-Oxide;

Sitagliptin Triazecine Analog

Catalogue No.: EZA0141CAS No. : N/AMol. Formula : C₁₆H₁₃F₆N₅O₂Mol. Weight :421,3Synonym(s) : 10-(2,4,5-Trifluorobenzyl)-3-(trifluoromethyl)-6,7,10,11-tetrahydro-[1,2,4]triazolo[3,4-c][1,4,7]triazecine-8,12(5H,9H)-dione

Silodosin Impurity MD309

Catalogue No.: EZA0151CAS No. : 175870-21-0Mol. Formula : C25H30F3N3O4Mol. Weight :493,52Synonym(s) : (R)-1-(3-hydroxypropyl)-5-(2-((2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)amino)propyl)-1H-indole-7-carboxamide

Sulfamethoxazole EP Impurity F

Catalogue No.: EZA0166CAS No. : 17103-52-5Mol. Formula : C₁₀H₁₁N₃O₃SMol. Weight :253,28Synonym(s) : 4-Amino-N-(3-methyl-5-isoxazolyl)benzenesulfonamide; 5-Sulfanilamido-3-methylisoxazole;

Saxagliptin Amide Impurity

Catalogue No.: EZA0279CAS No. : 1496712-39-0Mol. Formula : C18H23N3O2 Mol. Weight :313,4Synonym(s) : (1S,3S,5S)-2-((R)-2-amino-2-((1s,3R,5S,7S)-4-oxoadamantan-1-yl)acetyl)-2-azabicyclo[3.1.0]hexane-3-carbonitrile

Strontium Ranelate Imp A

Catalogue No.: EZA0304CAS No. : N/AMol. Formula :C₁₄H₁₄N₂O₈SMol. Weight :370,34Synonym(s) :Strontium Ranelate Impurity A

Strontium Ranelate Imp B

Catalogue No.: EZA0305CAS No. : 674773-13-8Mol. Formula :C₁₆H₁₈N₂O₈SMol. Weight :398,39Synonym(s) :

Sorafenib Impurity A

Catalogue No.: EZA355CAS No. : 284462-37-9Mol. Formula :C₁₃H₁₃N₃O₂Mol. Weight :243,26Synonym(s) :4-(4-Aminophenoxy)-N-methyl-2-pyridinecarboxamide; 4-(4-Aminophenoxy)-N-methylpicolinamide; 

Sorafenib Impurity C

Catalogue No.: EZA0356CAS No. : 2204442-52-2Mol. Formula :C₂₇H₂₃N₅O₆Mol. Weight :513,5Synonym(s) :Des-(4-chloro-3-trifluoromethyl)-4-(methyl-4-hydroxypicolinate) Sorafenib

Sorafenib Impurity B

Catalogue No.: EZA0361CAS No. : N/AMol. Formula :C14H13N3O3Mol. Weight :271,27Synonym(s) :N-Methylpicolinamide, 4-(4-formamidophenoxy)-;

Sorafenib Phenyl Carbamate

Catalogue No.: EZA0362CAS No. : 871555-75-8Mol. Formula :C14H9ClF3NO2Mol. Weight :315.67 Synonym(s) :N-[4-chloro-3-(teifluoromethyl)phenyl]-Carbamic acid

Sildenafil N Oxide

Catalogue No.: EZA0364CAS No. : 1094598-75-0Mol. Formula :C₂₂H₃₀N₆O₅SMol. Weight :490,58Synonym(s) :5-[2-Ethoxy-5-[(4-methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one; Sildenafil EP Impurity B;

Sildenafil O-desethyl

Catalogue No.: EZA0365CAS No. : 139755-91-2Mol. Formula :C20H26N6O4SMol. Weight :446,5Synonym(s) :1,6-dihydro-5-[2-hydroxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one

Sildenafil Impurity A

Catalogue No.: EZA0378CAS No. : 1391053-95-4Mol. Formula :C23H32N6O4SMol. Weight :488.60Synonym(s) :5-[2-Ethoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-(2-methylpropyl)-7H-pyrazolo[4,3-d]pyrimidin-7-one; 

Sildenafil Impurity D

Catalogue No.: EZA0453CAS No. : 1357931-55-5Mol. Formula :C₁₇H₂₀N₄O₅SMol. Weight :392,43Synonym(s) :4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid

Sumatriptan EP Impurity A

Catalogue No.: EZA0457CAS No. : 545338-89-4Mol. Formula :C27H37N5O2SMol. Weight :495,68Synonym(s) :3-[2-(Dimethylamino)ethyl]-2-[[3-[2-(dimethylamino)ethyl]-1H-indol-5-yl]methyl]-N-methyl-1H-Indole-5-methanesulfonamide; 

Sumatriptan EP Impurity B

Catalogue No.: EZA0458CAS No. : 88919-51-1Mol. Formula :C13H19N3O2SMol. Weight :281,37Synonym(s) :N-Methyl-3-[2-(methylamino)ethyl]-1H-indole-5-methanesulfonamide

Sumatriptan EP Impurity C

Catalogue No.: EZA0459CAS No. : 1797905-62-4Mol. Formula :C15H23N3O3SMol. Weight :325,43Synonym(s) :[3-[3-(Dimethylamino)ethyl]-1-(hydroxymethyl)-1H-indol-5-yl]-N-methylmethanesulfonamide

Sumatriptan EP Impurity D

Catalogue No.: EZA0460CAS No. : 212069-94-8Mol. Formula :C14H21N3O3SMol. Weight :311.40Synonym(s) :3-[2-(Dimethyloxidoamino)ethyl]-N-methyl-1H-indole-5-methanesulfonamide; GR 112504; Sumatriptan EP Impurity D;

Sumatriptan EP Impurity E

Catalogue No.: EZA0461CAS No. : 88919-22-6Mol. Formula :C12H17N3O2SMol. Weight :267,35Synonym(s) :Didesmethyl Sumatriptan; Sumatriptan EP Impurity E;

T

Telmisartan t-Butyl Ester

Catalogue No.: EZA0017CAS No. : 144702-26-1Mol. Formula :C37H38N4O2Mol. Weight :570,72Synonym(s) :tert-butyl 2-[4-[[4-methyl-6-(1-methylbenzimidazol-2-yl)-2-propylbenzimidazol-1-yl]methyl]phenyl]benzoate

Telmisartan Amide

Catalogue No.: EZA0019CAS No. : 915124-86-6Mol. Formula :C₃₃H₃₁N₅OMol. Weight :513,63Synonym(s) :4’-[(1,4’-Dimethyl-2’-propyl[2,6’-bi-1H-benzimidazol]-1’-yl)methyl][1,1’-biphenyl]-2-carboxamide; 

Trazole Indole 3 Acetic Acid

Catalogue No.: EZA0036CAS No. : 177270-91-6Mol. Formula :C₁₃H₁₂N₄OMol. Weight :256,26Synonym(s) :5-(1H-1,2,4-Triazol-1-ylmethyl)-1H-indole-3-acetic Acid;

Tizanidine N- acetyl

Catalogue No.: EZA0132CAS No. : 173532-15-5Mol. Formula : C₁₁H₁₀ClN₅OSMol. Weight :295,75Synonym(s) : 1-[2-[(5-Chloro-2,1,3-benzothiadiazol-4-yl)amino]-4,5-dihydro-1H-imidazol-1-yl]-ethanone; 

Tenegliptin Sulfoxide

Catalogue No.: EZA0136CAS No. : N/AMol. Formula : C₂₂H₃₀N₆O₂S Mol. Weight :442,58Synonym(s) : [(2S,4S)-4-[4-(3-Methyl-1-phenyl-1H-pyrazol-5-yl)-1-piperazinyl]-2-pyrrolidinyl]-3-thiazolidinylmethanone Sulfoxide;

Tavaborole Impurity A

Catalogue No.: EZA0172CAS No. : N/AMol. Formula : C11H13BFNO5Mol. Weight :269,03Synonym(s) : 5-fluoro-1,2-dihydro-1-hydroxy-2-[(4-methylphenyl)sulfonyl]-2,3,1-benzodiazaborine

Tavaborole Impurity B

Catalogue No.: EZA073CAS No. : 2357-33-7Mol. Formula : C7H7FO2Mol. Weight :142,13Synonym(s) : 5-fluoro-1,2-dihydro-1-hydroxy-2,3,1-benzodiazoborine

Tavaborole Impurity C

Catalogue No.: EZA0174CAS No. : N/AMol. Formula : C7H6BFO2Mol. Weight :151,93Synonym(s) : (βR,δR)-2,3-Βis(4-fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Αcid Calcium Salt;

Tavaborole Impurity D

Catalogue No.: EZA0175CAS No. : 174671-88-6Mol. Formula : C₇H₆BFO₂ Mol. Weight :151,93Synonym(s) : 4-Fluoro-1,3-dihydro-1-hydroxy-2,1-benzoxaborole

Thiocolchicoside EP Impurity H

Catalogue No.: EZA0259CAS No. : 120511-72-0Mol. Formula : C26H31NO10Mol. Weight :517,53Synonym(s) : 10-Desmethoxycolchiside;(S)-7-amino-1,2-dimethoxy-3-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-6,7-dihydrobenzo[[]a]heptalen-9(5H)-one;

Tenfovir Impurity B          

Catalogue No.: EZA0294CAS No. : 4121-40-8Mol. Formula : C₈H₉N₅Mol. Weight :175,19Synonym(s) : 9-(1-Propen-1-yl)-9H-purin-6-amine; 9-(1-Propenyl)-9H-purin-6-amine;

Trazodone related compound F

Catalogue No.: EZA0306CAS No. : 52605-52-4Mol. Formula :C₁₃H₁₈Cl₂N₂Mol. Weight :273.20 Synonym(s) :

Trazodone Related Compound D

Catalogue No.: EZA0308CAS No. : 1263278-80-3Mol. Formula :C₁₉H₂₂BrN₅OMol. Weight :416,3Synonym(s) :2-[3-[4-(3-Bromophenyl)-1-piperazinyl]propyl]-1,2,4-triazolo[4,3-a]pyridin-3(2H)-one Hydrochloride; 

Trazodone related compound C

Catalogue No.: EZA0309CAS No. : 1263278-77-8Mol. Formula :C₁₉H₂₃Cl₂N₅OMol. Weight :371.86 Synonym(s) :2-​[3-​[4-​(4-​Chlorophenyl)​-​1-​piperazinyl]​propyl]​-1,​2,​4-triazolo[4,​3-​a]​pyridin-​3(2H)​-​one Hydrochloride

Tinidazole Impurity A

Catalogue No.: EZA0323CAS No. : 696-23-1Mol. Formula :C₄H₅N₃O₂Mol. Weight :127.10Synonym(s) :2-Methyl-5-nitro-1H-imidazole; L 581490; Menidazole; RP 8532; USP Tinidazole Related Compound A; 

Tinidazole Impurity-B

Catalogue No.: EZA0324CAS No. : 25459-12-5Mol. Formula :C₈H₁₃N₃O₄SMol. Weight :247.27Synonym(s) :1-(2-Ethyl-sulfonylethyl)-2-methyl-4-nitroimidazole); USP Tinidazole Related Compound B;

Trazodone Dihydrodiol Impurity

Catalogue No.: EZA0379CAS No. : 55290-67-0Mol. Formula :C19H24ClN5O3Mol. Weight :405,88Synonym(s) :Structure and synonyms

Temozolamide Impurity D

Catalogue No.: EZA0391CAS No. : 7008-85-7Mol. Formula :C₄H₃N₅OMol. Weight :137,1Synonym(s) :5-Diazoimidazole-4-carboxamide; 4-Diazo-4H-imidazole-5-carboxamide; 4-Diazo-4H-imidazole-5-carboxamide; Temozolomide Related Compound A (USP);

Temozolamide Impurity E

Catalogue No.: EZA0392CAS No. : 4656-86-4Mol. Formula :C4H3N5OMol. Weight :137,1Synonym(s) :4a,5-Dihydro-4H-imidazo[4,5-d][1,2,3]triazin-4-one; 3,7-Dihydro-4H-imidazo[4,5-d]-1,2,3-triazin-4-one;

Temozolomide Impurity C

Catalogue No.: EZA0432CAS No. : 114601-31-9Mol. Formula :C₆H₄N₆OMol. Weight :176,14Synonym(s) : 8-Descarboxamido-8-cyano Temozolomide; 3,4-Dihydro-3-methyl-4-oxo-imidazo[5,1-d]-1,2,3,5-tetrazine-8-carbonitrile; 

U

Ursodeoxycholic Acid Alcohol(impurity-I)

Catalogue No.: EZA0168CAS No. : 130593-75-8Mol. Formula : C₂₄H₄₂O₃Mol. Weight :378,59Synonym(s) : 3R,5S,7S,8R,9S,10S,13R,14S,17R)-17-((R)-5-Hydroxypentan-2-yl)-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthrene-3,7-diol; 

Ursodeoxycholic Acid Methyl Ester (Impurity-G)

Catalogue No.: EZA0169CAS No. : 10538-55-3Mol. Formula : C₂₅H₄₂O₄ Mol. Weight :406,6Synonym(s) : (3α,5β,7β)-3,7-Dihydroxycholan-24-oic Acid Methyl Ester; 3α,7β-Dihydroxy-5β-cholanic Acid Methyl Ester; 

V

Voriconazole Impurity A

Catalogue No.: EZA0075CAS No. : 86404-63-9Mol. Formula : C16H14F3N5OMol. Weight :349,31Synonym(s) : Voriconazole Triazole Acetophenone Impurity (USP) ; Voriconazole USP RC C ; Fluconazole EP Impurity E ; 1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone ;

Voriconazole Impurity B

Catalogue No.: EZA0076CAS No. : 182369-73-9Mol. Formula : C16H15F2N5O Mol. Weight :331,32Synonym(s) : Voriconazole USP Related Compound D ; Desfluoro Voriconazole ; (2RS,3SR)-2-(2,4-Difluorophenyl)-3-pyrimidin-4-yl-1-(1H-1,2,4-triazol-1-yl)butan-2-ol ;

Voriconazole impurity D

Catalogue No.: EZA0077CAS No. : 137234-63-0 Mol. Formula : C16H15F2N5OMol. Weight :331,32Synonym(s) : Voriconazole USP RC B ; epi-Voriconazole ; Voriconazole (2S,3R)-Enantiomer ; (2S,3R)-2-(2,4-Difluorophenyl)-3-pyrimidin-4-yl-1-(1H-1,2,4-triazol-1-yl)butan-2-ol ;

Voriconazole Impurity C

Catalogue No.: EZA0086CAS No. :  137234-88-9Mol. Formula : C6H7FN2 Mol. Weight :126,13Synonym(s) : Voriconazole Ethylfluoropyrimidine Impurity (USP) ; 4-Ethyl-5-fluoropyrimidine ;

Voriconazole impurity F

Catalogue No.: EZA0087CAS No. : 5872-08-2  Mol. Formula : C10H16F2O4SMol. Weight :232,3Synonym(s) : (±)-β-Camphorsulfonic acid, (±)-Camphor-10-sulfonic acid

Voriconazole Oxide

Catalogue No.: EZA0113CAS No. : 618109-05-0Mol. Formula : C16H14F3N5O2Mol. Weight :365,316Synonym(s) : (2R,3S)-2-(2,4-difluorophenyl)-3-(5-fluoro-1-oxidopyrimidin-1-ium-4-yl)-1-(1,2,4-triazol-1-yl)butan-2-ol

Valsartan Related Compound A

Catalogue No.: EZA0199CAS No. : 137862-87-4Mol. Formula : C24H29N5O3 Mol. Weight :435,52Synonym(s) : N-(1-Oxopentyl)-N-[[2’-(2H-tetrazol-5-yl)[1,1’-biphenyl]-4-yl]methyl]-D-valine; CGP 49309; 

Valsartan Related Compound B

Catalogue No.: EZA0200CAS No. : 952652-79-8Mol. Formula :C23H27N5O3Mol. Weight :421,49Synonym(s) : N-(1-Oxobutyl)-N-[[2’-(2H-tetrazol-5-yl)[1,1’-biphenyl]-4-yl]methyl]-L-valine; Valsartan Imp. C (EP).; 

Valsartan Related Compound C

Catalogue No.: EZA0201CAS No. : 137863-20-8Mol. Formula : C31H35N5O3Mol. Weight :525,64Synonym(s) : N-(1-Oxopentyl)-N-[[2’-(2H-tetrazol-5-yl)[1,1’-biphenyl]-4-yl]methyl]-L-valine Phenylmethyl Ester;

Vigabatrin Related Compound A

Catalogue No.: EZA0436CAS No. : 7529-16-0Mol. Formula :C₆H₉NOMol. Weight :111,14Synonym(s) :5-Vinyl-2-pyrrolidinone; (±)-5-Vinylpyrrolidin-2-one; 5-Vinyl-2-pyrrolidinone;

Vildagliptin Impurity A

Catalogue No.: EZA0470CAS No. : 214398-99-9Mol. Formula :C₇H₁₁ClN₂O₂Mol. Weight :190,63Synonym(s) :(2S)-1-(Chloroacetyl)-2-pyrrolidinecarboxamide; 1-(2-Chloroacetyl)-2-(S)-pyrrolidine carboxamide; 1-(Chloroacetyl)-L-prolinamide;

Vildagliptin Impurity B

Catalogue No.: EZA0471CAS No. : 207557-35-5Mol. Formula :C₇H₉ClN₂OMol. Weight :172,61Synonym(s) :(2S)-1-(Chloroacetyl)-2-pyrrolidinecarbonitrile; (2S)-1-Chloroacetylpyrrolidine-2-carbonitrile; 

Vildagliptin Impurity R isomer

Catalogue No.: EZA0473CAS No. : 1036959-27-9Mol. Formula :C₁₇H₂₅N₃O₂Mol. Weight :303,41Synonym(s) :(2S)-1-[(2S)-Amino(3-hydroxytricyclo[3.3.1.13,7]dec-1-yl)acetyl]-2-pyrrolidinecarbonitrile;

W

X

Y

Y-amino Butyric Acid

Catalogue No.: EZA0437CAS No. : 56-12-2Mol. Formula :NH₂(CH₂)₃COOHMol. Weight :103,12Synonym(s) :GABA, Gammalon, gamma-Aminobutyric acid, 3-Carboxypropylamine, 4-Aminobutanoic acid, Piperidic acid, Piperidinic acid

Z

Zolpidem-6-Carboxylic Acid

Catalogue No.: EZA0020CAS No. : 109461-15-6Mol. Formula :C17H16N2O2Mol. Weight :280,32Synonym(s) :3-[2-(Dimethylamino)-2-oxoethyl]-2-(4-methylphenyl)imidazo[1,2-a]pyridine-6-carboxylic Acid; SL 84.0853;

Zopiclone Impurity B

Catalogue No.: EZA0106CAS No. : 43200-81-3Mol. Formula : C11H7ClN4O2 Mol. Weight :262,65Synonym(s) : 7RS)-6-(5-Chloropyridin-2-yl)-7-hydroxy-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-one ;