Pregna-9(11),16-dien-20-one, 3-(acetyloxy)-, (3β,5α)-

3β-乙酰氧基-5α-孕甾-9(11),16-二烯-20-酮

Also known as: 3-Acetyloxypregna-9(11),16-dien-20-one, 3-Hydroxypregna-9(11),16-dien-20-one 3-acetate, 3beta-hydroxy-5alpha-pregna-9(11),16-dien-20-one 3-acetate, 3β-Acetoxy-5α-pregna-9(11),16-dien-20-one, 3β-Acetoxy-5α-pregnane-9(11),16-diene-20-one, Pregna-9(11),16-dien-20-one, 3-(acetyloxy)-, (3β,5α)-, Pregna-9(11),16-dien-3-ol-20-one 3-acetate, [(3S,5S,8S,10S,13S,14S)-17-acetyl-10,13-dimethyl-2,3,4,5,6,7,8,12,14,15-decahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate

Pregna-9(11),16-dien-20-one, 3-(acetyloxy)-, (3β,5α)- (CAS 21650-83-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C23H32O3 and a molecular weight of 356.49800 g/mol. It is also known as 3-Acetyloxypregna-9(11),16-dien-20-one, 3-Hydroxypregna-9(11),16-dien-20-one 3-acetate and 3beta-hydroxy-5alpha-pregna-9(11),16-dien-20-one 3-acetate. Key properties include a boiling point of 468.4ºC at 760mmHg, a density of 1.11g/cm3 and a flash point of 202ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21650-83-9
Jingsj CID
J-1037515-2
Molecular Formula
C23H32O3
Chinese Name
3β-乙酰氧基-5α-孕甾-9(11),16-二烯-20-酮
Molecular Weight
356.49800 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point468.4ºC at 760mmHg
Density1.11g/cm3
Flash Point202ºC

Frequently Asked Questions

What is the CAS number of Pregna-9(11),16-dien-20-one, 3-(acetyloxy)-, (3β,5α)-?

The CAS number of Pregna-9(11),16-dien-20-one, 3-(acetyloxy)-, (3β,5α)- is 21650-83-9.

What are the molecular formula and molecular weight of Pregna-9(11),16-dien-20-one, 3-(acetyloxy)-, (3β,5α)-?

Pregna-9(11),16-dien-20-one, 3-(acetyloxy)-, (3β,5α)- has molecular formula C23H32O3 and molecular weight 356.49800 g/mol.

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

Last updated:

How to cite: Jingsj. "Pregna-9(11),16-dien-20-one, 3-(acetyloxy)-, (3β,5α)- (CAS 21650-83-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1037515-2 (accessed 2026-10-24).

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