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Proton-pump inhibitorsIn stockAPI reference standardBP

Esomeprazole Sodium BP CRS

JR-PP1002

British Pharmacopoeia (BP) Chemical Reference Substance of Esomeprazole sodium (sodium (S)-5-methoxy-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)benzimidazol-1-ide); (S)-enantiomer proton pump inhibitor API standard.

Structure & identifiers

2D structure — select to enlarge

Catalogue code
JR-PP1002
Category
Proton-pump inhibitors
CAS number
161796-78-7
Grade
API reference standard
Pharmacopoeia
BP
Molecular formula
C17H18N3NaO3S
Molecular weight
367.41 g/mol
Pack sizes
25 mg · 50 mg · 100 mg · 500 mg
Record updated
12 Nov 2026

Chemical name

Esomeprazole Sodium BP CRS

SMILES

COc1ccc2[n-]c([S@@](=O)Cc3ncc(C)c(OC)c3C)nc2c1.[Na+]

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.

Esomeprazole Sodium BP CRS

25 mg · ×1