Pregn-4-ene-3,6,20-trione

6-羰基黄体酮

Also known as: 6-Ketoprogesterone, 6-Oxoprogesterone, 6-keto group of progesterone, 4-PREGNEN-3,6,20-TRIONE, Nsc76757, Progesterone Impurity 28 (6-Oxo-Progesterone), pregn-4-en-3,6,20-trione, pregna-4-ene-3,6,20-trione

Pregn-4-ene-3,6,20-trione (CAS 2243-08-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C21H28O3 and a molecular weight of 328.44500 g/mol. It is also known as 6-Ketoprogesterone, 6-Oxoprogesterone and 6-keto group of progesterone. Key properties include a boiling point of 473.2ºC at 760mmHg, a density of 1.14g/cm3 and a flash point of 202.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2243-08-5
Jingsj CID: J-1506161-0
Molecular Formula: C₂₁H₂₈O₃
Chinese Name: 6-羰基黄体酮
Molecular Weight: 328.44500 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	473.2ºC at 760mmHg
Density	1.14g/cm3
Flash Point	202.6ºC

Frequently Asked Questions

What is the CAS number of Pregn-4-ene-3,6,20-trione?

The CAS number of Pregn-4-ene-3,6,20-trione is 2243-08-5.

What are the molecular formula and molecular weight of Pregn-4-ene-3,6,20-trione?

Pregn-4-ene-3,6,20-trione has molecular formula C21H28O3 and molecular weight 328.44500 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Pregn-4-ene-3,6,20-trione (CAS 2243-08-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1506161-0 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.