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CorticosteroidsIn stockImpurity reference standardPh. Eur.

Hydrocortisone Acetate Impurity E

JR-ST1005-06

Variant ofHydrocortisone Acetate EP CRS

9,11-Anhydrohydrocortisone 21-acetate (17-hydroxy-3,20-dioxopregna-4,9(11)-dien-21-yl acetate); Δ9(11)-dehydration process impurity of hydrocortisone acetate (EP Impurity E).

Structure & identifiers

2D structure — select to enlarge

Catalogue code
JR-ST1005-06
Category
Corticosteroids
CAS number
7753-60-8
Grade
Impurity reference standard
Pharmacopoeia
Ph. Eur.
Molecular formula
C23H30O5
Molecular weight
386.49 g/mol
Pack sizes
25 mg · 50 mg · 100 mg · 500 mg
Record updated
12 Nov 2026

Chemical name

Hydrocortisone Acetate Impurity E

SMILES

CC(=O)OCC(=O)[C@@]1(O)CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(C)C3=CC[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.

Hydrocortisone Acetate Impurity E

25 mg · ×1