Diflorasone
Also known as: (6α,11β,16β)-6,9-Difluoro-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione, 6α,9α-Difluoro-16β-methylprednisolone, Pregna-1,4-diene-3,20-dione, 6,9-difluoro-11,17,21-trihydroxy-16-methyl-, (6α,11β,16β)-, (6S,8S,9R,10S,11S,13S,14S,16S,17R)-6,9-difluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one, Diflorasona, Diflorasonum
Diflorasone (CAS 2557-49-5) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C22H28F2O5 and a molecular weight of 410.452 g/mol. Key properties include a melting point of 228-239ºC, a boiling point of 569.8±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 298.4±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2557-49-5
- Jingsj CID
- J-1974332-9
- Molecular Formula
- C22H28F2O5
- Molecular Weight
- 410.452 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 228-239ºC |
|---|---|
| Boiling Point | 569.8±50.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 298.4±30.1 °C |
| Exact Mass | 410.190491 |
| PSA | 94.83000 |
| LogP | 1.61 |
| Vapor Pressure | 0.0±3.6 mmHg at 25°C |
| Refractive Index | 1.579 |
| Storage Conditions | Refrigerator |
Activity & Biological Data
| Additional Information | [1]. Wickrema Sinha AJ, et al. Percutaneous absorption and excretion of tritium-labeled diflorasone diacetate, a new topical corticosteroid in the rat, monkey and man. J Invest Dermatol. 1978 Dec;71(6):372-7. |
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Customs & Trade Information
| HS Code | 2937229000 |
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Frequently Asked Questions
What is the CAS number of Diflorasone?
The CAS number of Diflorasone is 2557-49-5.
What are the molecular formula and molecular weight of Diflorasone?
Diflorasone has molecular formula C22H28F2O5 and molecular weight 410.452 g/mol.
What are the upstream and downstream products of Diflorasone?
For Diflorasone, Downstream Products: Fluticasone 17β-carboxylic acid propionate, Ticabesone Propionate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diflorasone (CAS 2557-49-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1974332-9 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.