17-o-Isobutyryl clobetasone

17-O-异丁酰基氯倍他索

Also known as: 17-O-isobutyryl Clobetasone, 21-chloro-9-fluoro-16β-methyl-3,11,20-trioxopregna-1,4-dien-17-yl2-methylpropanoate(17-O-isobutyrylclobetasone), Pregna-1,4-diene-3,11,20-trione, 21-chloro-9-fluoro-16-methyl-17-(2-methyl-1-oxopropoxy)-, (16β)- (9CI)

17-o-Isobutyryl clobetasone (CAS 639817-47-3) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C26H32ClFO5 and a molecular weight of 479.0 g/mol. It is also known as 17-O-isobutyryl Clobetasone, 21-chloro-9-fluoro-16β-methyl-3,11,20-trioxopregna-1,4-dien-17-yl2-methylpropanoate(17-O-isobutyrylclobetasone) and Pregna-1,4-diene-3,11,20-trione, 21-chloro-9-fluoro-16-methyl-17-(2-methyl-1-oxopropoxy)-, (16β)- (9CI). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 639817-47-3
Jingsj CID: J-254630-0
Molecular Formula: C₂₆H₃₂ClFO₅
Chinese Name: 17-O-异丁酰基氯倍他索
Molecular Weight: 479.0 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 17-o-Isobutyryl clobetasone?

The CAS number of 17-o-Isobutyryl clobetasone is 639817-47-3.

What are the molecular formula and molecular weight of 17-o-Isobutyryl clobetasone?

17-o-Isobutyryl clobetasone has molecular formula C26H32ClFO5 and molecular weight 479.0 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. "17-o-Isobutyryl clobetasone (CAS 639817-47-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-254630-0 (accessed 2026-10-24).

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