3-chloro-4-(methylsulfonyl)thiophene-2-carboxylic acid

3-氯-4-甲基磺酰噻吩-2-甲酸

Also known as: 2-Thiophenecarboxylic acid, 3-chloro-4-(methylsulfonyl)-, 3-CHLORO-4-(METHYLSULFONYL)THIOPHENE-2-CARBOXYLIC ACID, 3-CHLORO-4-(METHYLSULPHONYL)THIOPHENE-2-CARBOXYLIC ACID, 3-Chloro-4-(methylsulfonyl)thiophene-2-carboxylic, 3-chloro-4-(methylsulphonyl)thiophene-2-carboxylic acid, 3-chloro-4-methanesulfonylthiophene-2-carboxylic acid, 3-chloro-4-methylsulfonyl-2-thiophenecarboxylic acid, 3-chloro-4-methylsulfonylthiophene-2-carboxylic acid, 5-Carboxy-4-chlorothien-3-yl methyl sulphone, 2-Carbonyl-3-chloro-4-(methylsulphonyl)thiophene, BUTTPARK 46\/04-38, HMS554E22, MFCD00067947

3-chloro-4-(methylsulfonyl)thiophene-2-carboxylic acid (CAS 175201-86-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5ClO4S2 and a molecular weight of 240.68400 g/mol. It is also known as 2-Thiophenecarboxylic acid, 3-chloro-4-(methylsulfonyl)-, 3-CHLORO-4-(METHYLSULFONYL)THIOPHENE-2-CARBOXYLIC ACID and 3-CHLORO-4-(METHYLSULPHONYL)THIOPHENE-2-CARBOXYLIC ACID. Key properties include a boiling point of 496ºC at 760mmHg, a density of 1.657g/cm3 and a flash point of 253.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

175201-86-2

Jingsj CID

J-1171442-0

Molecular Formula

C₆H₅ClO₄S₂

Chinese Name

3-氯-4-甲基磺酰噻吩-2-甲酸

Molecular Weight

240.68400 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026