5-Acetylthiophene-2-carboxylic acid

5-乙酰基噻吩-2-甲酸

Also known as: 5-Acetyl-2-thiophenecarboxylic acid, 2-Thiophenecarboxylic acid, 5-acetyl-, 2-acetyl-5-thiophenecarboxylic acid, 5-ACETYL-2-THIOPHENECARBOXYLIC ACID, 5-Acetyl-thiophen-2-carbonsaeure, 5-Acetyl-thiophene-2-carboxylic acid, 5-Acetylthiophene-2-Carboxylic, 5-Acetyltiophene-2-carboxylic acid, 5-carboxy-2-acetylthiophene, AKOS MSC-0226, BUTTPARK 121\06-15, FD7379, LABOTEST-BB LT00454683, MFCD00055512

5-Acetylthiophene-2-carboxylic acid (CAS 4066-41-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6O3S and a molecular weight of 170.186 g/mol. It is also known as 5-Acetyl-2-thiophenecarboxylic acid, 2-Thiophenecarboxylic acid, 5-acetyl- and 2-acetyl-5-thiophenecarboxylic acid. Key properties include a melting point of 210-212°C, a boiling point of 385.2±27.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 186.8±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

4066-41-5

Jingsj CID

J-1312960-2

Molecular Formula

C₇H₆O₃S

Chinese Name

5-乙酰基噻吩-2-甲酸

Molecular Weight

170.186 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026