3α,12α-Diacetoxy-5β-pregnan-20-one

3α,12α-二乙酰氧基-5β-孕甾烷-20-酮

Also known as: 3α,12α-Diacetoxypregnan-20-one, 3α,12α-Diacetoxy-5β-pregnan-20-one, 5β-Pregnane-3α,12α-diol-20-one diacetate, 3α,12α-Dihydroxy-5β-pregnan-20-one 3,12-diacetate, Pregnan-20-one,3,12-bis(acetyloxy)-, (3a,5b,12a)- (9CI), Nsc62995, 3α,12α-Diacetoxy-5β-pregnan-20-one 3,12-diacetate

3α,12α-Diacetoxy-5β-pregnan-20-one (CAS 15991-93-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C25H38O5 and a molecular weight of 418.56600 g/mol. It is also known as 3α,12α-Diacetoxypregnan-20-one, 5β-Pregnane-3α,12α-diol-20-one diacetate and 3α,12α-Dihydroxy-5β-pregnan-20-one 3,12-diacetate. Key properties include a boiling point of 490.5ºC at 760mmHg, a density of 1.12g/cm3 and a flash point of 208.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 15991-93-2
Jingsj CID: J-1439441-6
Molecular Formula: C₂₅H₃₈O₅
Chinese Name: 3α,12α-二乙酰氧基-5β-孕甾烷-20-酮
Molecular Weight: 418.56600 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	490.5ºC at 760mmHg
Density	1.12g/cm3
Flash Point	208.2ºC

Frequently Asked Questions

What is the CAS number of 3α,12α-Diacetoxy-5β-pregnan-20-one?

The CAS number of 3α,12α-Diacetoxy-5β-pregnan-20-one is 15991-93-2.

What are the molecular formula and molecular weight of 3α,12α-Diacetoxy-5β-pregnan-20-one?

3α,12α-Diacetoxy-5β-pregnan-20-one has molecular formula C25H38O5 and molecular weight 418.56600 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. "3α,12α-Diacetoxy-5β-pregnan-20-one (CAS 15991-93-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1439441-6 (accessed 2026-10-25).

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