Pregn-4-en-18-al, 21-(acetyloxy)-11-hydroxy-3,20-dioxo-, (11β)-

一乙酸醛甾酮

Also known as: Aldosterone 21-acetate, Aldosterone acetate, Aldosterone monoacetate, D-Aldosterone 21-acetate, 11β-Hydroxy-3,20-dioxo-4-pregnen-18-al 21-acetate, 21-Acetoxy-11β-hydroxy-3,20-dioxopregn-4-en-18-al, 4-Pregnen-18-al-11β,21-diol-3,20-dione 21-acetate, NSC 73857, ALDOA, ALDOSTERONE,21-ACETATE

Pregn-4-en-18-al, 21-(acetyloxy)-11-hydroxy-3,20-dioxo-, (11β)- (CAS 297-91-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C23H30O6 and a molecular weight of 402.48100 g/mol. It is also known as Aldosterone 21-acetate, Aldosterone acetate and Aldosterone monoacetate. Key properties include a boiling point of 577.6ºC at 760mmHg, a density of 1.26g/cm3 and a flash point of 197.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 297-91-6
Jingsj CID: J-1452351-1
Molecular Formula: C₂₃H₃₀O₆
Chinese Name: 一乙酸醛甾酮
Molecular Weight: 402.48100 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	577.6ºC at 760mmHg
Density	1.26g/cm3
Flash Point	197.5ºC

Frequently Asked Questions

What is the CAS number of Pregn-4-en-18-al, 21-(acetyloxy)-11-hydroxy-3,20-dioxo-, (11β)-?

The CAS number of Pregn-4-en-18-al, 21-(acetyloxy)-11-hydroxy-3,20-dioxo-, (11β)- is 297-91-6.

What are the molecular formula and molecular weight of Pregn-4-en-18-al, 21-(acetyloxy)-11-hydroxy-3,20-dioxo-, (11β)-?

Pregn-4-en-18-al, 21-(acetyloxy)-11-hydroxy-3,20-dioxo-, (11β)- has molecular formula C23H30O6 and molecular weight 402.48100 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-en-18-al, 21-(acetyloxy)-11-hydroxy-3,20-dioxo-, (11β)- (CAS 297-91-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1452351-1 (accessed 2026-10-26).

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