2-[(3-methylbenzo[b]thiophen-2-yl)carbonyl]benzoic acid

2-[(3-甲基苯并[b]噻吩-2-基)羰基]苯甲酸

Also known as: 2-(3-methylbenzo[b]thiophene-2-carbonyl)benzoic acid, 2-(3-methyl-1-benzothiophene-2-carbonyl)benzoic acid, 2-(2-carboxybenzoyl)-3-methylbenzo[b]thiophene, Benzoic acid, 2-[(3-methylbenzo[b]thien-2-yl)carbonyl]-

2-[(3-methylbenzo[b]thiophen-2-yl)carbonyl]benzoic acid (CAS 175203-98-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C17H12O3S and a molecular weight of 296.34000 g/mol. It is also known as 2-(3-methylbenzo[b]thiophene-2-carbonyl)benzoic acid, 2-(3-methyl-1-benzothiophene-2-carbonyl)benzoic acid and 2-(2-carboxybenzoyl)-3-methylbenzo[b]thiophene. Key properties include a melting point of 181ºC, a boiling point of 511.5ºC at 760 mmHg, a density of 1.347g/cm3 and a flash point of 263.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
175203-98-2
Jingsj CID
J-1516923-7
Molecular Formula
C17H12O3S
Chinese Name
2-[(3-甲基苯并[b]噻吩-2-基)羰基]苯甲酸
Molecular Weight
296.34000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point181ºC
Boiling Point511.5ºC at 760 mmHg
Density1.347g/cm3
Flash Point263.1ºC

Frequently Asked Questions

What is the CAS number of 2-[(3-methylbenzo[b]thiophen-2-yl)carbonyl]benzoic acid?

The CAS number of 2-[(3-methylbenzo[b]thiophen-2-yl)carbonyl]benzoic acid is 175203-98-2.

What are the molecular formula and molecular weight of 2-[(3-methylbenzo[b]thiophen-2-yl)carbonyl]benzoic acid?

2-[(3-methylbenzo[b]thiophen-2-yl)carbonyl]benzoic acid has molecular formula C17H12O3S and molecular weight 296.34000 g/mol.

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

Last updated:

How to cite: Jingsj. "2-[(3-methylbenzo[b]thiophen-2-yl)carbonyl]benzoic acid (CAS 175203-98-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1516923-7 (accessed 2026-10-25).

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