5α-pregnane-3β,20α-diol

5α-孕烷-3β,20α-二醇

Also known as: 5-ALPHA-PREGNAN-3-BETA, 20-ALPHA-DIOL, 5-alpha-pregnane-3-beta,20-alpha-diol, 5α-Pregnane-3β,20(S)-diol, 5A-PREGNANE-3B-20A-DIOL, Allopregnane-3b,20a-diol, Allopregnane-3B,20ALPHA-diol, allopregnane-3beta,20alpha-diol, Pregnane-3,20-diol, (3β,5α,20S)-, (3S,5S,8R,9S,10S,13S,14S,17S)-17-[(1S)-1-hydroxyethyl]-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol

5α-pregnane-3β,20α-diol (CAS 566-56-3) 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. It is also known as 5-ALPHA-PREGNAN-3-BETA, 20-ALPHA-DIOL, 5-alpha-pregnane-3-beta,20-alpha-diol and 5α-Pregnane-3β,20(S)-diol. Key properties include a boiling point of 435.9ºC at 760 mmHg, a density of 1.053 g/cm3 and a flash point of 191ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

566-56-3

Jingsj CID

J-1458694-7

Molecular Formula

C₂₁H₃₆O₂

Chinese Name

5α-孕烷-3β,20α-二醇

Molecular Weight

320.50900 g/mol

Category

Alcohols

Last updated

8/21/2026