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Isoflupredone

Also known as: 9-Fluoroprednisolone, 9α-Fluoroprednisolone, 9-Fluoro-11β,17,21-trihydroxypregna-1,4-diene-3,20-dione, Deltafludrocortisone, 1-Dehydro-9a-fluorohydrocortisone, NSC 12174, (11β)-9-Fluoro-11,17,21-trihydroxypregna-1,4-diene-3,20-dione, Pregna-1,4-diene-3,20-dione, 9-fluoro-11,17,21-trihydroxy-, (11β)-

Isoflupredone (CAS 338-95-4) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H27FO5 and a molecular weight of 378.435 g/mol. Key properties include a melting point of 274 - 275ºC, a boiling point of 566.7±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 296.5±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
338-95-4
Jingsj CID
J-1956256-2
Molecular Formula
C21H27FO5
Molecular Weight
378.435 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point274 - 275ºC
Boiling Point566.7±50.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point296.5±30.1 °C
Exact Mass378.184265
PSA94.83000
LogP1.38
Vapor Pressure0.0±3.5 mmHg at 25°C
Refractive Index1.600
Storage Conditions2~8°C

Activity & Biological Data

Additional Information[1]. Picandet V, et al. Comparison of efficacy and tolerability of isoflupredone and dexamethasone in the treatment of horses affected with recurrent airway obstruction ('heaves'). Equine Vet J. 2003;35(4):419-424.

Frequently Asked Questions

What is the CAS number of Isoflupredone?

The CAS number of Isoflupredone is 338-95-4.

What are the molecular formula and molecular weight of Isoflupredone?

Isoflupredone has molecular formula C21H27FO5 and molecular weight 378.435 g/mol.

What are the upstream and downstream products of Isoflupredone?

For Isoflupredone, Upstream Products: Isoflupredone Acetate, Fludrocortisone acetate, Prednisolone Acetate; Downstream Products: Isoflupredone Acetate, 9-fluoro-11β,21-dihydroxypregna-1,4,16-triene-3,20-dione 21-acetate, Triamcinolone.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Isoflupredone (CAS 338-95-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1956256-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.