5α-Pregnan-3α,20β-diol
Also known as: Allopregnane-3α,20β-diol, (3α,5α,20R)-Pregnane-3,20-diol, 3α,20β-Dihydroxy-5α-pregnane, 5-A-pregnane-3-A-20-B-diol, (3R,5S,8R,9S,10S,13S,14S,17S)-17-[(1R)-1-hydroxyethyl]-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-3-ol, Pregnane-3,20-diol, (3alpha,5alpha,20R)
5α-Pregnan-3α,20β-diol (CAS 566-57-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C21H36O2 and a molecular weight of 320.50900 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 566-57-4
- Jingsj CID
- J-1103054-9
- Molecular Formula
- C21H36O2
- Molecular Weight
- 320.50900 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Exact Mass | 320.27200 |
|---|---|
| PSA | 40.46000 |
| LogP | 4.38700 |
Frequently Asked Questions
What is the CAS number of 5α-Pregnan-3α,20β-diol?
The CAS number of 5α-Pregnan-3α,20β-diol is 566-57-4.
What are the molecular formula and molecular weight of 5α-Pregnan-3α,20β-diol?
5α-Pregnan-3α,20β-diol has molecular formula C21H36O2 and molecular weight 320.50900 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5α-Pregnan-3α,20β-diol (CAS 566-57-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1103054-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.