20-Formylpregn-4-en-3-one

20-甲酰基孕甾-4-烯-3-酮

Also known as: 3-Oxopregn-4-ene-20-carbaldehyde, Pregn-4-ene-20-carboxaldehyde, 3-oxo-, 20β-carboxyaldehyde-4-pregnen-3-one, 2-(10,13-Dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)propanal, Progesterone EP Impurity I

20-Formylpregn-4-en-3-one (CAS 24254-01-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C22H32O2 and a molecular weight of 328.488 g/mol. It is also known as 3-Oxopregn-4-ene-20-carbaldehyde, Pregn-4-ene-20-carboxaldehyde, 3-oxo- and 20β-carboxyaldehyde-4-pregnen-3-one. Key properties include a boiling point of 459.4±14.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 171.0±17.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
24254-01-1
Jingsj CID
J-1618855-4
Molecular Formula
C22H32O2
Chinese Name
20-甲酰基孕甾-4-烯-3-酮
Molecular Weight
328.488 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point459.4±14.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point171.0±17.1 °C

Frequently Asked Questions

What is the CAS number of 20-Formylpregn-4-en-3-one?

The CAS number of 20-Formylpregn-4-en-3-one is 24254-01-1.

What are the molecular formula and molecular weight of 20-Formylpregn-4-en-3-one?

20-Formylpregn-4-en-3-one has molecular formula C22H32O2 and molecular weight 328.488 g/mol.

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

Last updated:

How to cite: Jingsj. "20-Formylpregn-4-en-3-one (CAS 24254-01-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1618855-4 (accessed 2026-10-25).

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