Betamethasone Dipropionate EP CRS

JR-ST1010

European Pharmacopoeia (EP) Chemical Reference Substance of Betamethasone dipropionate (9-fluoro-11β-hydroxy-16β-methyl-3,20-dioxopregna-1,4-diene-17,21-diyl dipropanoate); glucocorticoid diester API standard.

Structure & identifiers

2D structure — select to enlarge

Catalogue code

JR-ST1010

Category

Corticosteroids

CAS number

5593-20-4

Grade

API reference standard

Pharmacopoeia

Ph. Eur.

Molecular formula

C28H37FO7

Molecular weight

504.60 g/mol

Pack sizes

25 mg · 50 mg · 100 mg · 500 mg

Record updated

12 Nov 2026

Chemical name

Betamethasone Dipropionate EP CRS

SMILES

CCC(=O)OCC(=O)[C@@]1(OC(=O)CC)[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