Clascoterone

Also known as: CB-03-01, 17alpha-propionate, 21-Hydroxy-17-(1-oxopropoxy)pregn-4-ene-3,20-dione, Cortexolone 17α-propionate, [(8R,9S,10R,13S,14S,17R)-17-(2-hydroxyacetyl)-10,13-dimethyl-3-oxo-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-yl] propanoate

Clascoterone (CAS 19608-29-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C24H34O5 and a molecular weight of 402.524 g/mol. Key properties include a boiling point of 538.9±50.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 179.3±23.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 19608-29-8
Jingsj CID: J-1955581-4
Molecular Formula: C₂₄H₃₄O₅
Molecular Weight: 402.524 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	538.9±50.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	179.3±23.6 °C
Exact Mass	402.240631
PSA	80.67000
LogP	3.76
Vapor Pressure	0.0±3.3 mmHg at 25°C
Refractive Index	1.555

Activity & Biological Data

Additional Information	[1]. Trifu V, et al. Cortexolone 17α-propionate 1% cream, a new potent antiandrogen for topical treatment of acne vulgaris. A pilot randomized, double-blind comparative study vs. placebo and tretinoin 0·05% cream. Br J Dermatol. 2011 Jul;165(1):177-83. [2]. Celasco G, et al. Biological profile of cortexolone 17alpha-propionate (CB-03-01), a new topical and peripherally selective androgen antagonist. Arzneimittelforschung. 2004;54(12):881-6.

Additional Information

[1]. Trifu V, et al. Cortexolone 17α-propionate 1% cream, a new potent antiandrogen for topical treatment of acne vulgaris. A pilot randomized, double-blind comparative study vs. placebo and tretinoin 0·05% cream. Br J Dermatol. 2011 Jul;165(1):177-83. [2]. Celasco G, et al. Biological profile of cortexolone 17alpha-propionate (CB-03-01), a new topical and peripherally selective androgen antagonist. Arzneimittelforschung. 2004;54(12):881-6.

Frequently Asked Questions

What is the CAS number of Clascoterone?

The CAS number of Clascoterone is 19608-29-8.

What are the molecular formula and molecular weight of Clascoterone?

Clascoterone has molecular formula C24H34O5 and molecular weight 402.524 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Clascoterone (CAS 19608-29-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955581-4 (accessed 2026-11-06).

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