Biochem Chemopharma

2-(N,N-Dimethyl-4-aminophenyl)azobenzenecarboxylic acid, C.I. Acid Red 2

2-(N,N-Dimethyl-4-aminophenyl)azobenzenecarboxylic acid, C.I. Acid Red 2

2-(N,N-Dimethyl-4-aminophenyl)azobenzenecarboxylic acid, C.I. Acid Red 2

Sodium 4-[(4-dimethylamino)phenyldiazenyl]benzenesulphonate

Sodium 4-[(4-dimethylamino)phenyldiazenyl]benzenesulphonate