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Gestrinone

Also known as: Gestrinonum, Gestrinona, Nemestran, Dimetriose, 13-ethyl-17α-ethynyl-17β-hydroxy-4,9,11-gonatrien-3-one, (17α)-13-ethyl-17-hydroxy-18,19-dinorpregna-4,9,11-trien-20-yn-3-one, 13β-Ethyl-17α-ethynyl-17β-hydroxy-4,9,11-gonatrien-3-one, (8S,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one

Gestrinone (CAS 40542-65-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C21H24O2 and a molecular weight of 308.414 g/mol. Key properties include a boiling point of 507.6±50.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 214.9±22.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
40542-65-2
Jingsj CID
J-1529144-6
Molecular Formula
C21H24O2
Molecular Weight
308.414 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point507.6±50.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point214.9±22.7 °C
Exact Mass308.177643
LogP3.27
Vapor Pressure0.0±3.0 mmHg at 25°C
Refractive Index1.607

Frequently Asked Questions

What is the CAS number of Gestrinone?

The CAS number of Gestrinone is 40542-65-2.

What are the molecular formula and molecular weight of Gestrinone?

Gestrinone has molecular formula C21H24O2 and molecular weight 308.414 g/mol.

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

Last updated:

How to cite: Jingsj. "Gestrinone (CAS 40542-65-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1529144-6 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.