Dhamtec Pharma and Consultants-
Dhamtec Pharma and Consultants-

Impurity Standards

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Lansoprazole EP Impurity A

Product Code:
DH/LPL/1001		Molecular Formula:
C16H14F3N3O3S
CAS Number:
213476-12-1		Molecular Weight:
386.36
Synonyms: 2-[[[3-Methyl-1-oxido-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]sulfinyl]-1H-benzimidazole


Lansoprazole EP Impurity B

Product Code:
DH/LPL/1002		Molecular Formula:
C16H14F3N3O3S
CAS Number:
131926-99-3		Molecular Weight:
385.36
Synonyms: 2-[[[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]sulfonyl]-1H-benzimidazole


Lansoprazole EP Impurity C

Product Code:
DH/LPL/1003		Molecular Formula:
C16H14F3N3OS
CAS Number:
103577-40-8		Molecular Weight:
353.36
Synonyms: 2-[[[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]thio]-1H-benzimidazole


Lansoprazole EP Impurity D

Product Code:
DH/LPL/1004		Molecular Formula:
C7H6N2O
CAS Number:
615-16-7		Molecular Weight:
134.14
Synonyms: 1H-Benzimidazol-2-ol


Lansoprazole EP Impurity E

Product Code:
DH/LPL/1005		Molecular Formula:
C7H6N2S
CAS Number:
583-39-1		Molecular Weight:
150.2
Synonyms: 1H-Benzimidazole-2-thiol ; 2-Mercaptobenzimidazole ;Lansoprazole EP Impurity E ; Rabeprazole USP Related Compound C ; Rabeprazole Mercapto Impurity


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