5-bromofuran-2(5H)-one

5-溴呋喃-2(5H)-酮

Also known as: 5-bromo-2(5H)-furanone, 5-bromo-2,5-dihydrofuran-2-one, 2(5H)-Furanone, 5-bromo-, 2-bromo-5-oxo-2,5-dihydrofuran, 2-oxo-5-bromo-2,5-dihydrofuran, 4-Brom-4-hydroxy-cis-crotonsaeure-lacton, 4-bromo-4-hydroxy-cis-crotonic acid-lactone, 5-Bromo-5H-furan-2-one

5-bromofuran-2(5H)-one (CAS 40125-53-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H3BrO2 and a molecular weight of 162.96900 g/mol. It is also known as 5-bromo-2(5H)-furanone, 5-bromo-2,5-dihydrofuran-2-one and 2(5H)-Furanone, 5-bromo-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 40125-53-9
Jingsj CID: J-1189579-0
Molecular Formula: C₄H₃BrO₂
Chinese Name: 5-溴呋喃-2(5H)-酮
Molecular Weight: 162.96900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-bromofuran-2(5H)-one?

The CAS number of 5-bromofuran-2(5H)-one is 40125-53-9.

What are the molecular formula and molecular weight of 5-bromofuran-2(5H)-one?

5-bromofuran-2(5H)-one has molecular formula C4H3BrO2 and molecular weight 162.96900 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. "5-bromofuran-2(5H)-one (CAS 40125-53-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1189579-0 (accessed 2026-10-24).

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