Flumethasone Acid

Also known as: (6α,11β,16α,17α)-6,9-Difluoro-11,17-dihydroxy-16-methyl-3-oxoandrosta-1,4-diene-17-carboxylic acid, Fluticasone 17β-Carboxylic Acid, Fluticasone Propionate Impurity 1, 16α-Methyl-6α,9α-difluoro-11β,17α-dihydroxy-1,4-androstadiene-3-one-17β-carboxylic acid, (6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-Difluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17-carboxylic acid, Androsta-1,4-diene-17-carboxylic acid, 6,9-difluoro-11,17-dihydroxy-16-methyl-3-oxo-, (6α,11β,16α,17α)-

Flumethasone Acid (CAS 28416-82-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H26F2O5 and a molecular weight of 396.425 g/mol. Key properties include a melting point of 303-305ºC, a boiling point of 568.4±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 297.6±30.1 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

28416-82-2

Jingsj CID

J-1315444-4

Molecular Formula

C₂₁H₂₆F₂O₅

Molecular Weight

396.425 g/mol

Category

Organic Acids

Last updated

8/21/2026