20α-Hydroxyprogesterone

20α-羟基孕酮

Also known as: 20(S)-Hydroxypregn-4-en-3-one, 20α-Dihydroprogesterone, 4-Pregnen-20α-ol-3-one, 20α-Hydroxy-4-pregnen-3-one, Progesterone EP Impurity B, (20S)-20-Hydroxypregn-4-en-3-one

20α-Hydroxyprogesterone (CAS 145-14-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C21H32O2 and a molecular weight of 316.47800 g/mol. It is also known as 20(S)-Hydroxypregn-4-en-3-one, 20α-Dihydroprogesterone and 4-Pregnen-20α-ol-3-one. Key properties include a boiling point of 451.7ºC at 760mmHg, a density of 1.09g/cm3 and a flash point of 192.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
145-14-2
Jingsj CID
J-22767-4
Molecular Formula
C21H32O2
Chinese Name
20α-羟基孕酮
Molecular Weight
316.47800 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point451.7ºC at 760mmHg
Density1.09g/cm3
Flash Point192.4ºC

Frequently Asked Questions

What is the CAS number of 20α-Hydroxyprogesterone?

The CAS number of 20α-Hydroxyprogesterone is 145-14-2.

What are the molecular formula and molecular weight of 20α-Hydroxyprogesterone?

20α-Hydroxyprogesterone has molecular formula C21H32O2 and molecular weight 316.47800 g/mol.

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

Last updated:

How to cite: Jingsj. "20α-Hydroxyprogesterone (CAS 145-14-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22767-4 (accessed 2026-10-22).

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