5-Nitro-1-benzothiophene-2-carboxylic acid

5-硝基-1-苯并噻吩-2-羧酸

Also known as: 5-Nitrobenzo[b]thiophene-2-carboxylic acid, 5-Nitro-2-benzothiophenecarboxylic acid, 5-Nitrobenzothiophene-2-carboxylic acid, 2-Carboxy-5-nitrobenzo[b]thiophene, Benzo[b]thiophene-2-carboxylic acid, 5-nitro-, IFLAB-BB F2108-0141

5-Nitro-1-benzothiophene-2-carboxylic acid (CAS 6345-55-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H5NO4S and a molecular weight of 223.20500 g/mol. It is also known as 5-Nitrobenzo[b]thiophene-2-carboxylic acid, 5-Nitro-2-benzothiophenecarboxylic acid and 5-Nitrobenzothiophene-2-carboxylic acid. Key properties include a melting point of 239-241ºC, a boiling point of 473.6ºC at 760 mmHg, a density of 1.624 g/cm3 and a flash point of 240.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

6345-55-7

Jingsj CID

J-19859-2

Molecular Formula

C₉H₅NO₄S

Chinese Name

5-硝基-1-苯并噻吩-2-羧酸

Molecular Weight

223.20500 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026