Cyasterone

Also known as: Cyasteron, Stigmast-7-ene-6,26-dione, 26,28-epoxy-2,3,14,20,22-pentahydroxy-, (2β,3β,5β,22R,24S,25S,28R)-, (2β,3β,5β,22R,24S,25S,28R)-2,3,14,20,22-Pentahydroxy-26,28-epoxystigmast-7-ene-6,26-dione, (3S,4S,5R)-4-[(2R,3R)-2,3-Dihydroxy-3-[(2S,3R,5R,9R,10R,13R,14S,17S)-2,3,14-trihydroxy-10,13-dimethyl-6-oxo-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl]butyl]-3,5-dimethyloxolan-2-one, 2-beta,3-beta,14,20,22,28-hexahydroxy-6-oxo-5-beta-stigmast-7-en-26-oic acid gamma-lactone, Cyasterone (Chinensioside+B)

Cyasterone (CAS 17086-76-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C29H44O8 and a molecular weight of 520.655 g/mol. Key properties include a boiling point of 742.8±60.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 242.0±26.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 17086-76-9
Jingsj CID: J-1975533-3
Molecular Formula: C₂₉H₄₄O₈
Molecular Weight: 520.655 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	742.8±60.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	242.0±26.4 °C
Exact Mass	520.303589
PSA	144.52000
LogP	-0.25
Vapor Pressure	0.0±5.6 mmHg at 25°C
Refractive Index	1.600

Activity & Biological Data

Additional Information	[1]. Lu X, et al. Anti-proliferation effects, efficacy of cyasterone in vitro and in vivo and its mechanism. Biomed Pharmacother. 2016 Dec;84:330-339.

Frequently Asked Questions

What is the CAS number of Cyasterone?

The CAS number of Cyasterone is 17086-76-9.

What are the molecular formula and molecular weight of Cyasterone?

Cyasterone has molecular formula C29H44O8 and molecular weight 520.655 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. "Cyasterone (CAS 17086-76-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1975533-3 (accessed 2026-11-06).

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