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5-Methyl-4-phenylthiophene-3-carboxylic acid

5-甲基-4-苯基噻吩-3-羧酸

Also known as: 5-methyl-4-phenyl-3-thenoic acid, 5-methyl-4-phenyl-3-thiophenecarboxylic acid, 3-Thiophenecarboxylic acid, 5-methyl-4-phenyl-, CHEMBRDG-BB 3007539, ASINEX-REAG BAS 13521733

5-Methyl-4-phenylthiophene-3-carboxylic acid (CAS 557792-56-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H10O2S and a molecular weight of 218.27200 g/mol. It is also known as 5-methyl-4-phenyl-3-thenoic acid, 5-methyl-4-phenyl-3-thiophenecarboxylic acid and 3-Thiophenecarboxylic acid, 5-methyl-4-phenyl-. Key properties include a boiling point of 305.9ºC at 760 mmHg, a density of 1.261g/cm3 and a flash point of 138.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
557792-56-0
Jingsj CID
J-1032606-8
Molecular Formula
C12H10O2S
Chinese Name
5-甲基-4-苯基噻吩-3-羧酸
Molecular Weight
218.27200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point305.9ºC at 760 mmHg
Density1.261g/cm3
Flash Point138.8ºC

Frequently Asked Questions

What is the CAS number of 5-Methyl-4-phenylthiophene-3-carboxylic acid?

The CAS number of 5-Methyl-4-phenylthiophene-3-carboxylic acid is 557792-56-0.

What are the molecular formula and molecular weight of 5-Methyl-4-phenylthiophene-3-carboxylic acid?

5-Methyl-4-phenylthiophene-3-carboxylic acid has molecular formula C12H10O2S and molecular weight 218.27200 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-4-phenylthiophene-3-carboxylic acid (CAS 557792-56-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1032606-8 (accessed 2026-10-25).

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