Impurity Standards

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Esomeprazole Impurity Sulfone N-Oxide

Product Code:
DH/OMP/1007
Molecular Formula:
C17H19N3O5S
CAS Number:
158812-85-2
Molecular Weight:
377.42
Synonyms: 4-Methoxy-2-[[(5-methoxy-1H-benzimidazole-2-yl)sulphonyl]methyl]-3,5-dimethylpyridine-1-oxide


Esomeprazole Hydrolysis Impurity

Product Code:
DH/OMP/1009
Molecular Formula:
C16H14N3NaO4
CAS Number:
1227380-90-6
Molecular Weight:
335.29
Synonyms: Sodium 1-(5-methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylate


Omeprazole N-Methyl 6-Methoxy Analog

Product Code:
DH/OMP/1010
Molecular Formula:
C18H21O3S
CAS Number:
784143-42-6
Molecular Weight:
359.44
Synonyms: 6-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1-methyl-1H-benzimidazole


Desfluoro Ezetimibe

Product Code:
DH/EZT/1001
Molecular Formula:
C24H22FNO3
CAS Number:
302781-98-2
Molecular Weight:
391.43
Synonyms: (3R,4S)-3-[(3S)-3-(4-Fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)-1-phenyl-2-azetidinone


Ezetimibe Impurity Benzyl

Product Code:
DH/EZT/1002
Molecular Formula:
C31H27F2NO3
CAS Number:
163222-32-0
Molecular Weight:
499.55
Synonyms: (3R,4S)-1-(4-Fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-[4-(phenylmethoxy)phenyl]-2-azetidinone


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