(9β,11β,16α)-9,11-Epoxy-21-hydroxy-16-methylpregna-1,4-diene-3,20-dione

(9β,11β,16α)-9,11-环氧-21-羟基-16-甲基孕-1,4-二烯-3,20-二酮

Also known as: (9β,11β,16α)-9,11-Epoxy-21-hydroxy-16-methyl-pregna-1,4-diene-3,20-dione, (9b,11b,16a)-9,11-Epoxy-21-hydroxy-16-methylpregna-1,4-diene-3,20-dione, (9|A,11|A,16|A)-9,11-Epoxy-21-hydroxy-16-methyl-pregna-1,4-diene-3,20-dione, 17-DESOXY OXIDE, Desoximetasone 17-desoxi-oxido Impurity, Desoximetasone Impurity 1, Desoximetasone Impurity 22, Mometasone Impurity 50, Pregna-1,4-diene-3,20-dione, 9,11-epoxy-21-hydroxy-16-methyl-, (9β,11β,16α)-

(9β,11β,16α)-9,11-Epoxy-21-hydroxy-16-methylpregna-1,4-diene-3,20-dione (CAS 151265-33-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C22H28O4 and a molecular weight of 356.45500 g/mol. It is also known as (9β,11β,16α)-9,11-Epoxy-21-hydroxy-16-methyl-pregna-1,4-diene-3,20-dione, (9b,11b,16a)-9,11-Epoxy-21-hydroxy-16-methylpregna-1,4-diene-3,20-dione and (9|A,11|A,16|A)-9,11-Epoxy-21-hydroxy-16-methyl-pregna-1,4-diene-3,20-dione. Key properties include a melting point of 176-178ºC, a boiling point of 527.7ºC at 760 mmHg and a density of 1.25. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 151265-33-7
Jingsj CID: J-1610092-9
Molecular Formula: C₂₂H₂₈O₄
Chinese Name: (9β,11β,16α)-9,11-环氧-21-羟基-16-甲基孕-1,4-二烯-3,20-二酮
Molecular Weight: 356.45500 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	176-178ºC
Boiling Point	527.7ºC at 760 mmHg
Density	1.25

Frequently Asked Questions

What is the CAS number of (9β,11β,16α)-9,11-Epoxy-21-hydroxy-16-methylpregna-1,4-diene-3,20-dione?

The CAS number of (9β,11β,16α)-9,11-Epoxy-21-hydroxy-16-methylpregna-1,4-diene-3,20-dione is 151265-33-7.

What are the molecular formula and molecular weight of (9β,11β,16α)-9,11-Epoxy-21-hydroxy-16-methylpregna-1,4-diene-3,20-dione?

(9β,11β,16α)-9,11-Epoxy-21-hydroxy-16-methylpregna-1,4-diene-3,20-dione has molecular formula C22H28O4 and molecular weight 356.45500 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. "(9β,11β,16α)-9,11-Epoxy-21-hydroxy-16-methylpregna-1,4-diene-3,20-dione (CAS 151265-33-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1610092-9 (accessed 2026-10-23).

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