3,8-Dihydroxy-4-methoxy-2-oxo-2H-chromene-5-carboxylic acid

3,8-二羟基-4-甲氧基-2-氧代-2H-1-苯并吡喃-5-羧酸

Also known as: 2H-1-Benzopyran-5-carboxylic acid, 3,8-dihydroxy-4-methoxy-2-oxo-, 3,8-Dihydroxy-4-methoxy-2-oxo-2H-1-benzopyran-5-carboxylic acid, 3,8-Dihydroxy-4-methoxy-2-oxochromene-5-carboxylic acid, 3,8-DHMCC

3,8-Dihydroxy-4-methoxy-2-oxo-2H-chromene-5-carboxylic acid (CAS 125124-66-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H8O7 and a molecular weight of 252.17700 g/mol. It is also known as 2H-1-Benzopyran-5-carboxylic acid, 3,8-dihydroxy-4-methoxy-2-oxo-, 3,8-Dihydroxy-4-methoxy-2-oxo-2H-1-benzopyran-5-carboxylic acid and 3,8-Dihydroxy-4-methoxy-2-oxochromene-5-carboxylic acid. Key properties include a boiling point of 595.9ºC at 760mmHg, a density of 1.74g/cm3 and a flash point of 240.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
125124-66-5
Jingsj CID
J-1393577-5
Molecular Formula
C11H8O7
Chinese Name
3,8-二羟基-4-甲氧基-2-氧代-2H-1-苯并吡喃-5-羧酸
Molecular Weight
252.17700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point595.9ºC at 760mmHg
Density1.74g/cm3
Flash Point240.2ºC

Frequently Asked Questions

What is the CAS number of 3,8-Dihydroxy-4-methoxy-2-oxo-2H-chromene-5-carboxylic acid?

The CAS number of 3,8-Dihydroxy-4-methoxy-2-oxo-2H-chromene-5-carboxylic acid is 125124-66-5.

What are the molecular formula and molecular weight of 3,8-Dihydroxy-4-methoxy-2-oxo-2H-chromene-5-carboxylic acid?

3,8-Dihydroxy-4-methoxy-2-oxo-2H-chromene-5-carboxylic acid has molecular formula C11H8O7 and molecular weight 252.17700 g/mol.

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

Last updated:

How to cite: Jingsj. "3,8-Dihydroxy-4-methoxy-2-oxo-2H-chromene-5-carboxylic acid (CAS 125124-66-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1393577-5 (accessed 2026-10-25).

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