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4-methyl-2-oxo-2H-chromene-3-carboxylic acid

Also known as: 4-methyl-2-oxochromene-3-carboxylic acid, 4-methyl-2-oxo-2H-1-benzopyran-3-carboxylic acid, 4-methyl-2-oxo-2H-chromene-3-carboxylicacid, 4-methyl-2-oxo-3-chromenecarboxylic acid

4-methyl-2-oxo-2H-chromene-3-carboxylic acid (CAS 833-31-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H8O4 and a molecular weight of 204.17900 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
833-31-8
Jingsj CID
J-944760-3
Molecular Formula
C11H8O4
Molecular Weight
204.17900 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass204.04200
PSA67.51000
LogP1.79960

Frequently Asked Questions

What is the CAS number of 4-methyl-2-oxo-2H-chromene-3-carboxylic acid?

The CAS number of 4-methyl-2-oxo-2H-chromene-3-carboxylic acid is 833-31-8.

What are the molecular formula and molecular weight of 4-methyl-2-oxo-2H-chromene-3-carboxylic acid?

4-methyl-2-oxo-2H-chromene-3-carboxylic acid has molecular formula C11H8O4 and molecular weight 204.17900 g/mol.

What are the upstream and downstream products of 4-methyl-2-oxo-2H-chromene-3-carboxylic acid?

For 4-methyl-2-oxo-2H-chromene-3-carboxylic acid, Upstream Products: Meldrum's acid, 2'-Hydroxyacetophenone, 3-cyano-4-methylcoumarin; Downstream Products: 4-Methylcoumarin.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4-methyl-2-oxo-2H-chromene-3-carboxylic acid (CAS 833-31-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-944760-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.