3-Amino-4-(phenylsulfonyl)thiophene-2-carboxylic acid

3-氨基-4-(苯磺酰)噻吩-2-甲酸

Also known as: 3-Amino-4-(benzenesulfonyl)thiophene-2-carboxylic acid, 3-Amino-4-(phenylsulfonyl)-2-thiophenecarboxylic acid, 2-Thiophenecarboxylic acid, 3-amino-4-(phenylsulfonyl)-, 3-Amino-4-(phenylsulphonyl)thiophene-2-carboxylic acid, Buttpark 92\04-07

3-Amino-4-(phenylsulfonyl)thiophene-2-carboxylic acid (CAS 175201-59-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9NO4S2 and a molecular weight of 283.32300 g/mol. It is also known as 3-Amino-4-(benzenesulfonyl)thiophene-2-carboxylic acid, 3-Amino-4-(phenylsulfonyl)-2-thiophenecarboxylic acid and 2-Thiophenecarboxylic acid, 3-amino-4-(phenylsulfonyl)-. Key properties include a melting point of 174ºC, a boiling point of 590.4ºC at 760mmHg, a density of 1.555g/cm3 and a flash point of 310.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

175201-59-9

Jingsj CID

J-1137891-0

Molecular Formula

C₁₁H₉NO₄S₂

Chinese Name

3-氨基-4-(苯磺酰)噻吩-2-甲酸

Molecular Weight

283.32300 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026