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Trimegestone

Also known as: (8S,13S,14S,17S)-17-[(2S)-2-hydroxypropanoyl]-13,17-dimethyl-1,2,6,7,8,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one, 17β-(S)-Lactoyl-17-methylestra-4,9-dien-3-one, 17β-[(S)-2-Hydroxy-1-oxopropyl]-17α-methylestra-4,9-dien-3-one, Estra-4,9-dien-3-one, 17-[(2S)-2-hydroxy-1-oxopropyl]-17-methyl-, (17β)-, RU 27987

Trimegestone (CAS 74513-62-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C22H30O3 and a molecular weight of 342.47 g/mol. Key properties include a boiling point of 522.6±50.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 284.0±26.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
74513-62-5
Jingsj CID
J-1062243-8
Molecular Formula
C22H30O3
Molecular Weight
342.47 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point522.6±50.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point284.0±26.6 °C
Exact Mass342.219482
PSA54.37000
LogP3.58
Vapor Pressure0.0±3.1 mmHg at 25°C
Refractive Index1.569

Activity & Biological Data

Additional Information[1]. Wahab M, et al. Trimegestone: expanding therapeutic choices for the treatment of the menopause. Expert Opin Investig Drugs. 2001 Sep;10(9):1737-44. [2]. Zhang Z, et al. In vitro characterization of trimegestone: a new potent and selective progestin. Steroids. 2000 Oct-Nov;65(10-11):637-43.

Frequently Asked Questions

What is the CAS number of Trimegestone?

The CAS number of Trimegestone is 74513-62-5.

What are the molecular formula and molecular weight of Trimegestone?

Trimegestone has molecular formula C22H30O3 and molecular weight 342.47 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. "Trimegestone (CAS 74513-62-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1062243-8 (accessed 2026-11-06).

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