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CorticosteroidsIn stockImpurity reference standardPh. Eur.

Triamcinolone Acetonide EP Impurity B

JR-ST1002-01

Variant ofTriamcinolone Acetonide IP CRS

Delta14-Triamcinolone acetonide (9-fluoro-11β,21-dihydroxy-16α,17-(1-methylethylidenedioxy)pregna-1,4,14-triene-3,20-dione); 14,15-dehydro process/degradation impurity of triamcinolone acetonide used for EP related substances testing.

Structure & identifiers

2D structure — select to enlarge

Catalogue code
JR-ST1002-01
Category
Corticosteroids
CAS number
1260149-96-9
Grade
Impurity reference standard
Pharmacopoeia
Ph. Eur.
Molecular formula
C24H29FO6
Molecular weight
432.49 g/mol
Pack sizes
25 mg · 50 mg · 100 mg · 500 mg
Record updated
12 Nov 2026

Chemical name

Triamcinolone Acetonide EP Impurity B

SMILES

CC1(C)O[C@@H]2C=C3[C@@H]4CCC5=CC(=O)C=C[C@]5(C)[C@@]4(F)[C@@H](O)C[C@]3(C)[C@]2(C(=O)CO)O1

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.

Triamcinolone Acetonide EP Impurity B

25 mg · ×1