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CorticosteroidsIn stockAPI reference standardPh. Eur./BP

Clobetasol Propionate EP/BP CRS

JR-ST1011

European/British Pharmacopoeia (EP/BP) Chemical Reference Substance of Clobetasol propionate (21-chloro-9-fluoro-11β-hydroxy-16β-methyl-3,20-dioxopregna-1,4-dien-17-yl propanoate); super-potent topical corticosteroid API standard.

1 variant listed — see below

Structure & identifiers

2D structure — select to enlarge

Catalogue code
JR-ST1011
Category
Corticosteroids
CAS number
25122-46-7
Grade
API reference standard
Pharmacopoeia
Ph. Eur./BP
Molecular formula
C25H32ClFO5
Molecular weight
466.98 g/mol
Pack sizes
25 mg · 50 mg · 100 mg · 500 mg
Record updated
12 Nov 2026

Chemical name

Clobetasol Propionate EP/BP CRS

SMILES

CCC(=O)O[C@]1(C(=O)CCl)[C@@H](C)C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@]4(C)[C@@]3(F)[C@@H](O)C[C@]12C

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.

Clobetasol Propionate EP/BP CRS

25 mg · ×1