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5β-Androstane-3,17-dione

Also known as: 5β-Androstanedione, Etiocholane-3,17-dione, Etiocholanedione, 5β-Androstane-3,17-dione, (5β)-Androstane-3,17-dione, 5beta-Androstane-3,17-dione

5β-Androstane-3,17-dione (CAS 1229-12-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C19H28O2 and a molecular weight of 288.42400 g/mol. Key properties include a boiling point of 411.2ºC at 760mmHg, a density of 1.079g/cm3 and a flash point of 153.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1229-12-5
Jingsj CID
J-59578-8
Molecular Formula
C19H28O2
Molecular Weight
288.42400 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point411.2ºC at 760mmHg
Density1.079g/cm3
Flash Point153.9ºC
Exact Mass288.20900
PSA34.14000
LogP4.16730
Vapor Pressure5.68E-07mmHg at 25°C
Refractive Index1.526

Frequently Asked Questions

What is the CAS number of 5β-Androstane-3,17-dione?

The CAS number of 5β-Androstane-3,17-dione is 1229-12-5.

What are the molecular formula and molecular weight of 5β-Androstane-3,17-dione?

5β-Androstane-3,17-dione has molecular formula C19H28O2 and molecular weight 288.42400 g/mol.

What are the upstream and downstream products of 5β-Androstane-3,17-dione?

For 5β-Androstane-3,17-dione, Downstream Products: Androstenedione, Androsta-1,4-diene-3,17-dione, Etiocholanolone.

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

Last updated:

How to cite: Jingsj. "5β-Androstane-3,17-dione (CAS 1229-12-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-59578-8 (accessed 2026-11-09).

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