Omeprazole Impurities

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

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PHR1954   N′-Methyl Omeprazole Pharmaceutical Secondary Standard; Certified Reference Material N′-Methyl Omeprazole
PHR1987   Omeprazole Impurity B Pharmaceutical Secondary Standard; Certified Reference Material 2-[(RS)-[(3,5-dimethylpyridin-2-yl)methyl]sulphinyl]-5-methoxy-1h-benzimidazole 2-[[(3,5-Dimethyl-2-pyridinyl)methyl]sulfinyl]--6-methoxy-1H-benzimidazol 2-[(RS)-[(3,5-Dimethylpyridin-2-yl)methyl]sulfinyl]-5-methoxy-1H-benzimidazole 4-Desmethoxy Omeprazole
PHR1988 Omeprazole Impurity C Pharmaceutical Secondary Standard; Certified Reference Material 5-METHOXY-2-[[(4-METHOXY-3,5-DIMETHYLPYRIDIN-2-YL)METHYL]SULPHANYL]-1H-BENZIMIDAZOLE 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 Sulfide Pyrmetazol Ufiprazole
PHR1989   Omeprazole Impurity H Pharmaceutical Secondary Standard; Certified Reference Material 2-[[(4-Chloro-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-6-methoxy-1H-benzimidazole 2-[(RS)-[(4-Chloro-3,5-dimethylpyridin-2-yl)methyl]sulfinyl]-5-methoxy-1H-benzimidazole 4-Desmethoxy-4-chloro Omeprazole
O-048   Omeprazole Impurity Mixture solution 60 μg/mL in acetonitrile (each component), certified reference material, ampule of 1 mL  
PHR1648 Omeprazole Related Compound A Pharmaceutical Secondary Standard; Certified Reference Material 5-Methoxy-2-{[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfonyl}-1H-benzimidazole 5-methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfonyl]-1H-benzimidazole Omeprazole sulfone Omeprazole sulphone
PHR1986 Omeprazole Related Compound B Pharmaceutical Secondary Standard; Certified Reference Material 5-METHOXY-2- BENZIMIDAZOLETHIOL 5-Methoxy-2-benzimidazolethiol
PHR1649   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 4-Methoxy-2-{[(RS)-(5-methoxy-1H-benzimidazol-2-yl)sulfinyl]methyl}-3,5-dimethylpyridine 1-oxide Omeprazole N-oxide
PHR1650   OMEPRAZOLE RELATED COMPOUND I Pharmaceutical Secondary Standard; Certified Reference Material 4-METHOXY-2-[[(5-METHOXY-1HBENZIMIDAZOL-2-YL) SULPHONYL]METHYL]-3,5-DIMETHYLPYRIDINE 1-OXIDE Omeprazole sulfone N-oxide
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