Pregnan-20-one,3,17-dihydroxy-, (3a,5b)-

3α,17α-二羟基-5β-孕烷-20-酮

Also known as: 17-ALPHA-HYDROXYEPIPREGNANOLONE, 17-ALPHA-HYDROXYPREGNANOLONE, 3,17-dihydroxy-,(3-alpha,5-beta)-pregnan-20-on, 3-alpha,17-alpha-dihydroxy-5-beta-pregnan-20-on, 3-alpha,17-alpha-dihydroxy-5-beta-pregnan-20-one, 3ALPHA,17ALPHA-Dihydroxy-5B-pregnan-20-one, 5-BETA-PREGNAN-3-ALPHA, 17-DIOL-20-ONE, 5-BETA-PREGNAN-3-BETA, 17-DIOL-20-ONE, 5B-pregnane-3A-17A-diol-20-one, 5BETA-PREGNAN-3ALPHA,17ALPHA-DIOL-20-ONE, Pregnan-20-one,3,17-dihydroxy-, (3a,5b)

Pregnan-20-one,3,17-dihydroxy-, (3a,5b)- (CAS 570-52-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C21H34O3 and a molecular weight of 334.49300 g/mol. It is also known as 17-ALPHA-HYDROXYEPIPREGNANOLONE, 17-ALPHA-HYDROXYPREGNANOLONE and 3,17-dihydroxy-,(3-alpha,5-beta)-pregnan-20-on. Key properties include a boiling point of 465.4ºC at 760 mmHg, a density of 1.123g/cm3 and a flash point of 249.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

570-52-5

Jingsj CID

J-89673-3

Molecular Formula

C₂₁H₃₄O₃

Chinese Name

3α,17α-二羟基-5β-孕烷-20-酮

Molecular Weight

334.49300 g/mol

Category

Ketones

Last updated

8/21/2026