5-Ethylthiophene-3-carboxylic acid

5-乙基噻吩-3-羧酸

Also known as: 5-Ethyl-3-thiophenecarboxylic acid, 5-Ethyl-thiophene-3-carboxylic acid, 5-ethyl-3-thenoic acid, 5-ethyl-3-thiophenecarboxylic acid (SALTDATA: FREE), 5-ethylthiophene-3-carboxylic acid (SALTDATA: FREE), AKOS B007503, AKOS MSC-0500, CHEMBRDG-BB 3007503, 3-Thiophenecarboxylic acid, 5-ethyl-, 5-Aethyl-thiophen-3-carbonsaeure

5-Ethylthiophene-3-carboxylic acid (CAS 19156-51-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H8O2S and a molecular weight of 156.202 g/mol. It is also known as 5-Ethyl-3-thiophenecarboxylic acid, 5-Ethyl-thiophene-3-carboxylic acid and 5-ethyl-3-thenoic acid. Key properties include a boiling point of 286.1±28.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 126.8±24.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

19156-51-5

Jingsj CID

J-1414389-0

Molecular Formula

C₇H₈O₂S

Chinese Name

5-乙基噻吩-3-羧酸

Molecular Weight

156.202 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026