(16b)-21-(Acetyloxy)-2'-methyl-5'H-Pregna-1,4-dieno[17,16-d]oxazole-3,11,20-trione

Also known as: 5'H-Pregna-1,4-dieno[17,16-d]oxazole-3,11,20-trione, 21-(acetyloxy)-2'-methyl-, (16β)-, Deflazacort Impurity 15, Deflazacort Impurity 21

(16b)-21-(Acetyloxy)-2'-methyl-5'H-Pregna-1,4-dieno[17,16-d]oxazole-3,11,20-trione (CAS 13649-84-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C25H29NO6 and a molecular weight of 439.5 g/mol. It is also known as 5'H-Pregna-1,4-dieno[17,16-d]oxazole-3,11,20-trione, 21-(acetyloxy)-2'-methyl-, (16β)-, Deflazacort Impurity 15 and Deflazacort Impurity 21. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 13649-84-8
Jingsj CID: J-1207824-4
Molecular Formula: C₂₅H₂₉NO₆
Molecular Weight: 439.5 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of (16b)-21-(Acetyloxy)-2'-methyl-5'H-Pregna-1,4-dieno[17,16-d]oxazole-3,11,20-trione?

The CAS number of (16b)-21-(Acetyloxy)-2'-methyl-5'H-Pregna-1,4-dieno[17,16-d]oxazole-3,11,20-trione is 13649-84-8.

What are the molecular formula and molecular weight of (16b)-21-(Acetyloxy)-2'-methyl-5'H-Pregna-1,4-dieno[17,16-d]oxazole-3,11,20-trione?

(16b)-21-(Acetyloxy)-2'-methyl-5'H-Pregna-1,4-dieno[17,16-d]oxazole-3,11,20-trione has molecular formula C25H29NO6 and molecular weight 439.5 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. "(16b)-21-(Acetyloxy)-2'-methyl-5'H-Pregna-1,4-dieno[17,16-d]oxazole-3,11,20-trione (CAS 13649-84-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1207824-4 (accessed 2026-10-25).

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