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CorticosteroidsIn stockImpurity reference standardPh. Eur.

Hydrocortisone Acetate Impurity A

JR-ST1005-02

Variant ofHydrocortisone Acetate EP CRS

Hydrocortisone (11β,17,21-trihydroxypregn-4-ene-3,20-dione); deacetylated hydrolysis impurity and parent synthetic precursor of hydrocortisone acetate (EP Impurity A).

Structure & identifiers

2D structure — select to enlarge

Catalogue code
JR-ST1005-02
Category
Corticosteroids
CAS number
50-23-7
Grade
Impurity reference standard
Pharmacopoeia
Ph. Eur.
Molecular formula
C21H30O5
Molecular weight
362.47 g/mol
Pack sizes
25 mg · 50 mg · 100 mg · 500 mg
Record updated
12 Nov 2026

Chemical name

Hydrocortisone Acetate Impurity A

SMILES

C[C@]12CCC(=O)C=C1CC[C@@H]3[C@@H]2[C@@H](O)C[C@]4(C)[C@H]3CC[C@]4(O)C(=O)CO

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.

Hydrocortisone Acetate Impurity A

25 mg · ×1