17α-Methyl-5α-androstane-3α,17β-diol

17α-甲基-5α-雄甾烷-3α,17β-二醇

Also known as: 17α-Methyl-5α-androstane-3α,17β-diol, (3α,5α,17β)-17-Methylandrostane-3,17-diol, 17-methyl-5α-androstan-3α,17β-diol, 17b-Methyl-5a-androstane-3a,17b-diol, Androstane-3,17-diol, 17-methyl-, (3α,5α,17β)-, 5α-Androstane-3α,17β-diol, 17-methyl-, NSC51177

17α-Methyl-5α-androstane-3α,17β-diol (CAS 641-82-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C20H34O2 and a molecular weight of 306.483 g/mol. It is also known as (3α,5α,17β)-17-Methylandrostane-3,17-diol, 17-methyl-5α-androstan-3α,17β-diol and 17b-Methyl-5a-androstane-3a,17b-diol. Key properties include a boiling point of 418.1±18.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 184.4±15.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 641-82-7
Jingsj CID: J-39725-6
Molecular Formula: C₂₀H₃₄O₂
Chinese Name: 17α-甲基-5α-雄甾烷-3α,17β-二醇
Molecular Weight: 306.483 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	418.1±18.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	184.4±15.8 °C

Frequently Asked Questions

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

The CAS number of 17α-Methyl-5α-androstane-3α,17β-diol is 641-82-7.

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

17α-Methyl-5α-androstane-3α,17β-diol has molecular formula C20H34O2 and molecular weight 306.483 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. "17α-Methyl-5α-androstane-3α,17β-diol (CAS 641-82-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39725-6 (accessed 2026-10-23).

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