Impurity Standards

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Rabeprazole EP Impurity H

Product Code:
DH/RBR/1010
Molecular Formula:
C14H12ClN3OS
CAS Number:
168167-42-8
Molecular Weight:
305.78
Synonyms: Lansoprazole EP Impurity F ; Rabeprazole USP RC F ; Rabeprazole 4-Chloro Analog (USP) ; 2-[(RS)-[(4-Chloro-3-methylpyridin-2-yl)methyl]sulphinyl]-1H-benzimidazole ; 4-Desmethoxypropoxyl-4-Chloro Rabeprazole


Rabeprazole EP Impurity I

Product Code:
RR/1001
Molecular Formula:
C18H21N3O5S
CAS Number:
924663-37-6
Molecular Weight:
391.44
Synonyms: Rabeprazole Sulfone N-Oxide ; 2-[[[4-(3-Methoxypropoxy)-3-methyl-1-oxido-2-pyridinyl] methyl]sulfonyl]-1H-benzimidazole


Rabeprazole EP Impurity K

Product Code:
DH/RBR/1011
Molecular Formula:
C7H6N2O
CAS Number:
615-16-7
Molecular Weight:
134.14
Synonyms: Lansoprazole EP Impurity D ; 1H-Benzimidazol-2-ol ; 2-Hydroxybenzimidazole


Rabeprazole Sulfide N-Oxide

Product Code:
DH/RBR/1012
Molecular Formula:
C18H21N3O3S
CAS Number:
924663-40-1
Molecular Weight:
359.44
Synonyms: 2-[[[4-(3-Methoxypropoxy)-3-methyl-1-oxido-2-pyridinyl]methyl]thio]-1H-benzimidazole


Rabeprazole Impurity Dimer

Product Code:
DH/RBR/1002
Molecular Formula:
C29H36N4O5S
CAS Number:
NA
Molecular Weight:
552.69
Synonyms: : 2-[[[3-Methyl-4(3-methoxypropoxy)-pyridine-2-yl]methyl]sulphinyl]-1[[[4-(3-methoxypropoxy)-3-methyl]pyridine-2-yl]methyl]-1H-benzimidazole


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