(3α,5β,20S)-Pregnane-3,20-diol

5β-孕烷-3α,20α-二醇

Also known as: Pregnanediol, Pregnandiol, 5β-Pregnane-3α,20α-diol, 5beta-Pregnane-3alpha,20alpha-diol, 5-BETA-PREGNAN-3-ALPHA,20-ALPHA-DIOL, 3-alpha,20-alpha-dihydroxy-5-beta-pregnane, MFCD00064141, EINECS 201-313-7

(3α,5β,20S)-Pregnane-3,20-diol (CAS 80-92-2) 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 Pregnanediol, Pregnandiol and 5β-Pregnane-3α,20α-diol. Key properties include a melting point of 240-242ºC, a boiling point of 435.9ºC at 760 mmHg, a density of 1.053g/cm3 and a flash point of 191ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 80-92-2
Jingsj CID: J-16993-8
Molecular Formula: C₂₁H₃₆O₂
Chinese Name: 5β-孕烷-3α,20α-二醇
Molecular Weight: 320.50900 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	240-242ºC
Boiling Point	435.9ºC at 760 mmHg
Density	1.053g/cm3
Flash Point	191ºC

Frequently Asked Questions

What is the CAS number of (3α,5β,20S)-Pregnane-3,20-diol?

The CAS number of (3α,5β,20S)-Pregnane-3,20-diol is 80-92-2.

What are the molecular formula and molecular weight of (3α,5β,20S)-Pregnane-3,20-diol?

(3α,5β,20S)-Pregnane-3,20-diol has molecular formula C21H36O2 and molecular weight 320.50900 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "(3α,5β,20S)-Pregnane-3,20-diol (CAS 80-92-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16993-8 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.