Mestanolone

美雄诺龙

Also known as: 17α-Methyldihydrotestosterone, 17α-Methylandrostan-17β-ol-3-one, 17β-Hydroxy-17α-methyl-5α-androstan-3-one, 5α-Androstan-3-one, 17β-hydroxy-17-methyl-, Methylandrostanolone, 17α-Methyl-5α-androstan-17β-ol-3-one, Methyltestosterone dihydro, Androstan-3-one, 17-hydroxy-17-methyl-, (5α,17β)-, Mestaline, Andoron, Duramin, Tantaron, Assimil, Preroide, Anabo, Antalone, Methybol, Prohormo

Mestanolone (CAS 521-11-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H32O2 and a molecular weight of 304.467 g/mol. It is also known as 17α-Methyldihydrotestosterone, 17α-Methylandrostan-17β-ol-3-one and 17β-Hydroxy-17α-methyl-5α-androstan-3-one. Key properties include a melting point of 191 °C, a boiling point of 416.1±38.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 177.6±19.4 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
521-11-9
Jingsj CID
J-8143-6
Molecular Formula
C20H32O2
Chinese Name
美雄诺龙
Molecular Weight
304.467 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point191 °C
Boiling Point416.1±38.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point177.6±19.4 °C

GHS Safety & Compliance

Health HazardSignal word: Warning

Frequently Asked Questions

What is the CAS number of Mestanolone?

The CAS number of Mestanolone is 521-11-9.

What are the molecular formula and molecular weight of Mestanolone?

Mestanolone has molecular formula C20H32O2 and molecular weight 304.467 g/mol.

Is Mestanolone hazardous?

Mestanolone has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Mestanolone (CAS 521-11-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8143-6 (accessed 2026-10-23).

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