5-(Aminosulfonyl)-2,4-dichlorobenzoic acid

It is a solid compound often used as an intermediate in pharmaceutical synthesis and is known for its presence as an impurity in certain diuretic drugs like furosemide. 5-(Aminosulfonyl)-2,4-dichlorobenzoic acid is a halogenated aromatic carboxylic acid derivative featuring two chlorine atoms and a sulfonamide group on a benzoic acid core.

API Name Furosemide
CAS No 2736-23-4
Molecular Formula C7H5Cl2NO4S
Molecular Weight 270.09 g/mol
Synonyms 2,4-dichloro-5-sulfamoylbenzoic acid

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