17-Methyl-5α-androstane-3β,17β-diol

17α-甲基-5α-雄甾-3β,17β-二醇

Also known as: Methylandrostanediol, 17α-Methyl-5α-androstane-3β,17β-diol, 5α-Androstan-17α-methyl-3β,17β-diol, Androstane-3,17-diol, 17-methyl-, (3β,5α,17β)-, 17-Methyl-5α-androstane-3β,17β-diol, (3S,5S,8R,9S,10S,13S,14S,17S)-10,13,17-trimethyl-1,2,3,4,5,6,7,8,9,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthrene-3,17-diol, NSC 118175

17-Methyl-5α-androstane-3β,17β-diol (CAS 641-83-8) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C20H34O2 and a molecular weight of 306.48300 g/mol. It is also known as Methylandrostanediol, 17α-Methyl-5α-androstane-3β,17β-diol and 5α-Androstan-17α-methyl-3β,17β-diol. Key properties include a boiling point of 418.1ºC at 760 mmHg, a density of 1.069g/cm3 and a flash point of 184.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
641-83-8
Jingsj CID
J-888600-0
Molecular Formula
C20H34O2
Chinese Name
17α-甲基-5α-雄甾-3β,17β-二醇
Molecular Weight
306.48300 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point418.1ºC at 760 mmHg
Density1.069g/cm3
Flash Point184.4ºC

Frequently Asked Questions

What is the CAS number of 17-Methyl-5α-androstane-3β,17β-diol?

The CAS number of 17-Methyl-5α-androstane-3β,17β-diol is 641-83-8.

What are the molecular formula and molecular weight of 17-Methyl-5α-androstane-3β,17β-diol?

17-Methyl-5α-androstane-3β,17β-diol has molecular formula C20H34O2 and molecular weight 306.48300 g/mol.

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

Last updated:

How to cite: Jingsj. "17-Methyl-5α-androstane-3β,17β-diol (CAS 641-83-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-888600-0 (accessed 2026-10-25).

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