Omeprazole Impurities

Find here the secondary pharmaceutical standard of the native API Omeprazole traceable to USP, PhEur and BP.

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PHR1650   4-METHOXY-2-[[(5-METHOXY-1HBENZIMIDAZOL-2-YL) SULPHONYL]METHYL]-3,5-DIMETHYLPYRIDINE 1-OXIDE(OMEPRAZOLE RELATED COMPOUND I) Pharmaceutical Secondary Standard; Certified Reference Material Omeprazole sulfone N-oxide
PHR1649   4-METHOXY-2-[[(RS)-5(METHOXY-1H-BENZIMIDAZOL-2-YL) SULFINYL] METHYL]-3,5-DIMETHYLPYRIDINE 1-OXIDE (OMEPRAZOLE RELATED COMPOUND E) Pharmaceutical Secondary Standard; Certified Reference Material 4-Methoxy-2-{[(RS)-(5-methoxy-1H-benzimidazol-2-yl)sulfinyl]methyl}-3,5-dimethylpyridine 1-oxide Omeprazole N-oxide
PHR1648 5-methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfonyl]-1H-benzimidazole (Omeprazole Related Compound A)(Omeprazole Impurity D) Pharmaceutical Secondary Standard; Certified Reference Material 5-Methoxy-2-{[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfonyl}-1H-benzimidazole Omeprazole sulfone Omeprazole sulphone
O-048   Omeprazole Impurity Mixture solution 60 μg/mL in acetonitrile (each component), certified reference material, ampule of 1 mL New  
42639 Omeprazole sulfide pharmaceutical impurity standard 5-Methoxy-2-{[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]thio}-1H-benzimidazole 6-Methoxy-2-{[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]thio}-1H-benzimidazole Omeprazole impurity C (PhEur) Pyrmetazol Ufiprazole