Omeprazole Impurities

Dimethyl Sulfate

CAS No. : 77-78-1
Synonyms : Sulfuric Acid Dimethyl Ester; Methyl Sulfate
Catalog No. : SA19403
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2-Chloromethyl-3,5-dimethylpyridin-4-ol

CAS No. : 220771-03-9
Synonyms : 2-(Chloromethyl)-3,5-dimethyl-4-pyridinol
Catalog No. : SA19406
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4-Chloro-2-(chloromethyl)-3,5-dimethylpyridine

CAS No. : 142885-96-9
Synonyms : Pyridine 4-chloro-2-(chloromethyl)-3,5-dimethyl
Catalog No. : SA19405
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Omeprazole Hydroxymethyl Impurity

CAS No. : 86604-78-6
Synonyms : 2-Hydroxymethyl-3,5-dimethyl-4-methoxypyridine; 3,5-Dimethyl-4-methoxy-2-pyridinemethanol; (4-methoxy-3,5-dimethylpyridin-2-yl)methanol
Catalog No. : SA19402
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4-Methoxy-2-nitroaniline

CAS No. : 96-96-8
Synonyms : 2-Nitro-p-anisidine; 1-Amino-2-nitro-4-methoxybenzene; 2-Nitro-4-methoxybenzenamine; 3-Nitro-4-aminoanisole; 4-Amino-1-methoxy-3-nitrobenzene; 4-Amino-3-nitroanisole
Catalog No. : SA19401
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Omeprazole EP Impurity I

CAS No. : 158812-85-2
Synonyms : Omeprazole Sulfone N-Oxide; Omeprazole BP Impurity I; Omeprazole USP RC I; 5-Methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulphonyl]-1H-benzimidazole N-Oxide; 4-methoxy-2-[[(5-methoxy-1H-benzimidazol-2yl)sulfonyl]methyl]-3,5-dimethylpyridine1-oxide; Esomeprazole Impurity Impurity I
Catalog No. : SA19415
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Omeprazole EP Impurity H

CAS No. : 863029-89-4
Synonyms : 4-Desmethoxy-4-chloro Omeprazole; Omeprazole BP Impurity H; 2-[[(4-Chloro-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-5-methoxy-1H-benzimidazole; 2-[(RS)-[(4-chloro-3,5-dimethylpyridin-2yl)methyl]sulﬁnyl]-5-methoxy-1H-benzimidazole
Catalog No. : SA19414
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Omeprazole EP Impurity G

CAS No. : 125656-83-9
Synonyms : Omeprazole BP Impurity G; Omeprazole USP Related Compound G; 1,3-Dimethyl-9-methoxy-12-thioxopyrido[1′,2′:3,4]imidazo[1,2-a]benzimidazol-2(12H)-one; 9-methoxy-1,3-dimethyl-12-thioxopyrido[1′,2′:3,4]imidazo[1,2-a]benzimidazol-2(12H)-one
Catalog No. : SA19413
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Omeprazole EP Impurity F

CAS No. : 125656-82-8
Synonyms : Omeprazole BP Impurity F; Omeprazole USP Related Compound F; 1,3-Dimethyl-8-methoxy-12-thioxopyrido[1′,2′:3,4]imidazo[1,2-a]benzimidazol-2(12H)-one; 8-methoxy-1,3-dimethyl-12-thioxopyrido[1′,2′:3,4]imidazo[1,2-a]benzimidazol-2(12H)-one
Catalog No. : SA19412
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Omeprazole EP Impurity E

CAS No. : 176219-04-8
Synonyms : Omeprazole BP Impurity E; Omeprazole USP Related Compound E; Esomeprazole EP Impurity E; Omeprazole N-Oxide sulphoxide; 4-Methoxy-2-[[(RS)-(5-methoxy-1H-benzimidazol-2-yl)sulfinyl]methyl]-3,5-dimethylpyridine 1-oxide; 6-Methoxy-2-[[(4-methoxy-3,5-dimethyl-1-oxido-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole
Catalog No. : SA19411
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Omeprazole EP Impurity D

CAS No. : 88546-55-8
Synonyms : Omeprazole Sulfone; Omeprazole BP Impurity D; Esomeprazole EP Impurity D; Esomeprazole USP Related Compound A; 5-Methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulphonyl]-1H-benzimidazole
Catalog No. : SA19410
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Omeprazole EP Impurity C

CAS No. : 73590-85-9
Synonyms : Omeprazole BP Impurity C; Esomeprazole EP Impurity C; Omeprazole Sulfide; Pyrmetazole; 5-Methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulphanyl]-1H-benzimidazole; 6-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]thio]-1H-benzimidazole
Catalog No. : SA19409
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Omeprazole EP Impurity B

CAS No. : 110374-16-8
Synonyms : 4-Desmethoxy Omeprazole; Omeprazole BP Impurity B; Esomeprazole EP Impurity B; 2-[(RS)-[(3,5-dimethylpyridin-2-yl)methyl]sulphinyl]-5-methoxy-1H-benzimidazole; 1H-BenziMidazole, 2-[[(3,5- diMethyl-2-pyridinyl)Methyl] sulfinyl]-6-Methoxy; 2-[(3,5-Dimethyl-2-pyridyl)methylsulfinyl]-5-methoxy-1,3-diaza-1H-indene
Catalog No. : SA19408
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Omeprazole EP Impurity A

CAS No. : 37052-78-1
Synonyms : Omeprazole BP Impurity A; Omeprazole USP Related Compound B; Esomeprazole EP Impurity A; 5-Methoxy-1H-benzimidazole-2-thiol; 5-Methoxy-2-mercaptobenzimidazole; 1,3-Dihydro-5-methoxy-2H-benzimidazole-2-thione
Catalog No. : SA19407
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3,4-Diaminoanisole

CAS No. : 102-51-2
Synonyms : 4-Methoxy-1,2-benzenediamine; 1,2-Diamino-4-methoxybenzene; p-Methoxy-o-phenylenediamine
Catalog No. : SA19404
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