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Proton-pump inhibitorsIn stockImpurity reference standardPh. Eur.

Rabeprazole Impurity E

JR-PP1003-05

Variant ofRabeprazole sodium EP CRS

Rabeprazole 4-methoxy analog (2-(((4-methoxy-3-methylpyridin-2-yl)methyl)sulfinyl)-1H-benzimidazole; EP Impurity E); alkoxy-exchange process impurity of rabeprazole.

Structure & identifiers

2D structure — select to enlarge

Catalogue code
JR-PP1003-05
Category
Proton-pump inhibitors
CAS number
102804-77-3
Grade
Impurity reference standard
Pharmacopoeia
Ph. Eur.
Molecular formula
C15H15N3O2S
Molecular weight
301.37 g/mol
Pack sizes
25 mg · 50 mg · 100 mg · 500 mg
Record updated
12 Nov 2026

Chemical name

Rabeprazole Impurity E

SMILES

COc1ccnc(CS(=O)c2nc3ccccc3[nH]2)c1C

Compound identity, CAS number, formula and structure are referenced from public chemical databases. Contact us to confirm availability, pack sizes and documentation for your order.

Rabeprazole Impurity E

25 mg · ×1