Betamethasone
倍他米松
Also known as: 9α-Fluoro-16β-methylprednisolone, 16β-Methyl-9α-fluoroprednisolone, 9α-Fluoro-16β-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione, Flubenisolone, Celestone, β-Methasone, Betadexamethasone
Betamethasone (CAS 378-44-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C22H29FO5 and a molecular weight of 392.461 g/mol. It is also known as 9α-Fluoro-16β-methylprednisolone, 16β-Methyl-9α-fluoroprednisolone and 9α-Fluoro-16β-methyl-11β,17α,21-trihydroxy-1,4-pregnadiene-3,20-dione. Key properties include a melting point of 235-237°C, a boiling point of 568.2±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 297.5±30.1 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 378-44-9
- Jingsj CID
- J-44417-0
- Molecular Formula
- C22H29FO5
- Chinese Name
- 倍他米松
- Molecular Weight
- 392.461 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 235-237°C |
|---|---|
| Boiling Point | 568.2±50.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 297.5±30.1 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Betamethasone?
The CAS number of Betamethasone is 378-44-9.
What are the molecular formula and molecular weight of Betamethasone?
Betamethasone has molecular formula C22H29FO5 and molecular weight 392.461 g/mol.
Is Betamethasone hazardous?
Betamethasone has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Betamethasone (CAS 378-44-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44417-0 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.