5-(Aminosulfonyl)-2,3-dimethoxybenzoic Acid

2,3-二甲氧基-5-磺酰胺苯甲酸

Also known as: 2,3-Dimethoxy-5-sulfamoylbenzoic acid, 2,3-Dimethoxy-5-sulphamoylbenzoic acid, 2,3-Dimethoxy-5-sulfamoyl benzoic acid, Benzoic acid, 5-(aminosulfonyl)-2,3-dimethoxy-, 5-aminosulfonyl-2,3-dimethoxy benzoic acid, 2,3-DIMETHOXY-5-SULFAMOYLBENZOIC ACID, 2,3-DIMETHOXY-5-SULPHAMOYLBENZOIC ACID, 5-(Aminosulfonyl)-2,3-dimethoxybenzoic acid, MFCD01317561, EINECS 266-433-4

5-(Aminosulfonyl)-2,3-dimethoxybenzoic Acid (CAS 66644-80-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H11NO6S and a molecular weight of 261.252 g/mol. It is also known as 2,3-Dimethoxy-5-sulfamoylbenzoic acid, 2,3-Dimethoxy-5-sulphamoylbenzoic acid and 2,3-Dimethoxy-5-sulfamoyl benzoic acid. Key properties include a melting point of 206 °C, a boiling point of 499.2±55.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 255.7±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

66644-80-2

Jingsj CID

J-35311-3

Molecular Formula

C₉H₁₁NO₆S

Chinese Name

2,3-二甲氧基-5-磺酰胺苯甲酸

Molecular Weight

261.252 g/mol

Category

Organic Acids

Last updated

8/21/2026