5-chloro-4-hydroxy-2H-chromen-2-one

5-氯-4-羟基-2H-色烯-2-酮

Also known as: 2H-1-benzopyran-2-one, 5-chloro-4-hydroxy-, 5-chloro-4-hydroxychromen-2-one, 5-chloro-4-hydroxycoumarin

5-chloro-4-hydroxy-2H-chromen-2-one (CAS 54311-48-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H5ClO3 and a molecular weight of 196.58700 g/mol. It is also known as 2H-1-benzopyran-2-one, 5-chloro-4-hydroxy-, 5-chloro-4-hydroxychromen-2-one and 5-chloro-4-hydroxycoumarin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 54311-48-7
Jingsj CID: J-867388-0
Molecular Formula: C₉H₅ClO₃
Chinese Name: 5-氯-4-羟基-2H-色烯-2-酮
Molecular Weight: 196.58700 g/mol
Category: Ketones
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-chloro-4-hydroxy-2H-chromen-2-one?

The CAS number of 5-chloro-4-hydroxy-2H-chromen-2-one is 54311-48-7.

What are the molecular formula and molecular weight of 5-chloro-4-hydroxy-2H-chromen-2-one?

5-chloro-4-hydroxy-2H-chromen-2-one has molecular formula C9H5ClO3 and molecular weight 196.58700 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-chloro-4-hydroxy-2H-chromen-2-one (CAS 54311-48-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-867388-0 (accessed 2026-10-24).

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