5β-Pregnan-17α,21-diol-3,20-dione
Also known as: 5β-Pregnan-17α,21-diol-3,20-dione, 5β-Pregnan-17,21-diol-3,20-dione, Pregnane-3,20-dione, 17,21-dihydroxy-, (5β)-, Pregnane-3,20-dione,17,21-dihydroxy-, (5b)- (9CI), Dihydro-11-desoxycortisol, 5β-Dihydro-11-desoxycortisol, 5β-Dihydro compound S, 5β-Dihydro compound 'S', (5R,8R,9S,10S,13S,14S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-2,4,5,6,7,8,9,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-3-one, (5R,8R,9S,10S,13S,14S,17R)-17-hydroxy-17-(2-hydroxyethanoyl)-10,13-dimethyl-2,4,5,6,7,8,9,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-3-one, (5R,8R,9S,10S,13S,14S,17R)-17-glycoloyl-17-hydroxy-10,13-dimethyl-2,4,5,6,7,8,9,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-3-one
5β-Pregnan-17α,21-diol-3,20-dione (CAS 566-42-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C21H32O4 and a molecular weight of 348.47600 g/mol. Key properties include a boiling point of 504ºC at 760mmHg, a density of 1.182g/cm3 and a flash point of 272.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 566-42-7
- Jingsj CID
- J-1366554-8
- Molecular Formula
- C21H32O4
- Molecular Weight
- 348.47600 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 504ºC at 760mmHg |
|---|---|
| Density | 1.182g/cm3 |
| Flash Point | 272.7ºC |
| Exact Mass | 348.23000 |
| PSA | 74.60000 |
| LogP | 2.89070 |
| Refractive Index | 1.551 |
Frequently Asked Questions
What is the CAS number of 5β-Pregnan-17α,21-diol-3,20-dione?
The CAS number of 5β-Pregnan-17α,21-diol-3,20-dione is 566-42-7.
What are the molecular formula and molecular weight of 5β-Pregnan-17α,21-diol-3,20-dione?
5β-Pregnan-17α,21-diol-3,20-dione has molecular formula C21H32O4 and molecular weight 348.47600 g/mol.
What are the upstream and downstream products of 5β-Pregnan-17α,21-diol-3,20-dione?
For 5β-Pregnan-17α,21-diol-3,20-dione, Downstream Products: Etiocholanolone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5β-Pregnan-17α,21-diol-3,20-dione (CAS 566-42-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1366554-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.