Fluorometholone
Also known as: 9-fluoro-11,17-dihydroxy-6-methylpregna-1,4-diene-3,20-dione, 21-desoxy-9α-fluoro-6α-methylprednisolone, 11β,17α-dihydroxy-9-fluoro-6-methyl-1,4-pregnadiene-3,20-dione, Fluormetholon, Fluaton, Loticort, Ursnon, Efflumidex, FLAREX, Flulon
Fluorometholone (CAS 426-13-1) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C22H29FO4 and a molecular weight of 376.462 g/mol. Key properties include a melting point of 292 - 303ºC, a boiling point of 527.1±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 272.6±30.1 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 426-13-1
- Jingsj CID
- J-14686-5
- Molecular Formula
- C22H29FO4
- Molecular Weight
- 376.462 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 292 - 303ºC |
|---|---|
| Boiling Point | 527.1±50.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 272.6±30.1 °C |
| Exact Mass | 376.204987 |
| PSA | 74.60000 |
| LogP | 2.02 |
| Vapor Pressure | 0.0±3.1 mmHg at 25°C |
| Refractive Index | 1.574 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
Activity & Biological Data
| Target | glucocorticoid receptor[1] |
|---|---|
| Additional Information | [1]. Jonathan Taniguchi, et al. Fluorometholone Modulates Gene Expression of Ocular Surface Mucins. Acta Ophthalmol. 2019 Dec;97(8):e1082-e1088. |
Customs & Trade Information
| HS Code | 2937229000 |
|---|
Frequently Asked Questions
What is the CAS number of Fluorometholone?
The CAS number of Fluorometholone is 426-13-1.
What are the molecular formula and molecular weight of Fluorometholone?
Fluorometholone has molecular formula C22H29FO4 and molecular weight 376.462 g/mol.
Is Fluorometholone hazardous?
Fluorometholone has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Fluorometholone (CAS 426-13-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14686-5 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.