5-Methoxy-3-methylbenzofuran-2-carboxylic acid

5-甲氧基-3-甲基苯并呋喃-2-羧酸

Also known as: 5-METHOXY-3-METHYL-BENZOFURAN-2-CARBOXYLIC ACID, 5-methoxy-3-methyl-2-Benzofurancarboxylic acid, 2-Benzofurancarboxylic acid, 5-methoxy-3-methyl-, 5-methoxy-3-methyl-1-benzofuran-2-carboxylic acid, 5-Methoxy-3-methyl-benzofuran-2-carbonsaeure

5-Methoxy-3-methylbenzofuran-2-carboxylic acid (CAS 81718-77-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H10O4 and a molecular weight of 206.19500 g/mol. It is also known as 5-METHOXY-3-METHYL-BENZOFURAN-2-CARBOXYLIC ACID, 5-methoxy-3-methyl-2-Benzofurancarboxylic acid and 2-Benzofurancarboxylic acid, 5-methoxy-3-methyl-. Key properties include a boiling point of 367.1ºC at 760 mmHg and a flash point of 175.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
81718-77-6
Jingsj CID
J-1017668-9
Molecular Formula
C11H10O4
Chinese Name
5-甲氧基-3-甲基苯并呋喃-2-羧酸
Molecular Weight
206.19500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point367.1ºC at 760 mmHg
Flash Point175.8ºC

Frequently Asked Questions

What is the CAS number of 5-Methoxy-3-methylbenzofuran-2-carboxylic acid?

The CAS number of 5-Methoxy-3-methylbenzofuran-2-carboxylic acid is 81718-77-6.

What are the molecular formula and molecular weight of 5-Methoxy-3-methylbenzofuran-2-carboxylic acid?

5-Methoxy-3-methylbenzofuran-2-carboxylic acid has molecular formula C11H10O4 and molecular weight 206.19500 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Methoxy-3-methylbenzofuran-2-carboxylic acid (CAS 81718-77-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1017668-9 (accessed 2026-10-22).

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