Impurity Standards

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Esomeprazole Impurity B

Product Code:
DH/OMP/1008
Molecular Formula:
C16H17N3O2S
CAS Number:
110374-16-8
Molecular Weight:
315.39
Synonyms: 2-[[(3,5-Dimethyl-2-pyridinyl)methyl]sulfinyl]-6-methoxy-1H-benzimidazole


Esomeprazole Impurity C

Product Code:
DH/OMP/1004
Molecular Formula:
C17H19N3O2S
CAS Number:
73590-85-9
Molecular Weight:
329.42
Synonyms: 5-Methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl] sulphanyl]-1H-benzimidazole


Esomeprazole Impurity D

Product Code:
DH/OMP/1001
Molecular Formula:
C17H19N3O4S
CAS Number:
88546-55-8
Molecular Weight:
361.42
Synonyms: 5-Methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl] sulphonyl]-1H-benzimidazole


Esomeprazole Impurity E

Product Code:
DH/OMP/1002
Molecular Formula:
C17H19N3O4S
CAS Number:
176219-04-8
Molecular Weight:
361.42
Synonyms: 4-Methoxy-2-[[(RS)-(5-methoxy-1H-benzimidazole-2-yl)sulphinyl]methyl]-3,5-dimethylpyridine-1-oxide


Esomeprazole Impurity F

Product Code:
DH/OMP/1002
Molecular Formula:
C17H19N3O4S
CAS Number:
176219-04-8
Molecular Weight:
361.42
Synonyms: 4-Methoxy-2-[[(RS)-(5-methoxy-1H-benzimidazole-2-yl)sulphinyl]methyl]-3,5-dimethylpyridine-1-oxide


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