5-methyl-1-benzothiophene-2-carboxylic acid

5-甲基-1-苯并噻吩-2-羧酸

Also known as: 5-methylbenzo[b]thiophene-2-carboxylic acid, 5-methylbenzothiophene-2-carboxylic acid, 2-carboxy-5-methylbenzo[b]thiophene, Benzo[b]thiophene-2-carboxylic acid, 5-methyl-, 5-Methyl-benzo[b]thiophen-2-carbonsaeure, 5-Methylbenzo(b)thiophene-2-carboxylic acid, 5-Methylbenzo<b>thiophen-2-carboxylsaeure, AKOS B018461, ART-CHEM-BB B018461, HMS1528P21

5-methyl-1-benzothiophene-2-carboxylic acid (CAS 1505-62-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8O2S and a molecular weight of 192.23400 g/mol. It is also known as 5-methylbenzo[b]thiophene-2-carboxylic acid, 5-methylbenzothiophene-2-carboxylic acid and 2-carboxy-5-methylbenzo[b]thiophene. Key properties include a boiling point of 386.1ºC at 760mmHg, a density of 1.355g/cm3 and a flash point of 187.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1505-62-0
Jingsj CID
J-1516930-5
Molecular Formula
C10H8O2S
Chinese Name
5-甲基-1-苯并噻吩-2-羧酸
Molecular Weight
192.23400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point386.1ºC at 760mmHg
Density1.355g/cm3
Flash Point187.3ºC

Frequently Asked Questions

What is the CAS number of 5-methyl-1-benzothiophene-2-carboxylic acid?

The CAS number of 5-methyl-1-benzothiophene-2-carboxylic acid is 1505-62-0.

What are the molecular formula and molecular weight of 5-methyl-1-benzothiophene-2-carboxylic acid?

5-methyl-1-benzothiophene-2-carboxylic acid has molecular formula C10H8O2S and molecular weight 192.23400 g/mol.

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

Last updated:

How to cite: Jingsj. "5-methyl-1-benzothiophene-2-carboxylic acid (CAS 1505-62-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1516930-5 (accessed 2026-10-22).

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