101-50-8 4-(4-Amino-3-sulfophenylazo)benzenesulfonic acid 4-16-00-00595 (Beilstein Handbook Reference) 4-Amino-3,4'-disulfoazobenzene 4-Aminoazobenzene-3,4'-disulfonic acid 4-Aminoazobenzene-3,4'-disulphonic acid Azobenzene-3,4'-disulfonic acid, 4-amino- BENZENESULFONIC ACID, 2-AMINO-5- (4-SULFOPHENYL)AZO - BRN 0711063 Benzenesulfonic acid, 2-amino-5-((4-sulfophenyl)azo)- Benzenesulfonic acid, 4-((4-amino-3-sulfophenyl)azo)- Benzenesulfonic acid, 4-(4-amino-3-sulfophenylazo)- Benzenesulfonic acid, 6-amino-3,4'-azodi- EINECS 202-947-7 Kyselina 4-aminoazobenzen-3,4'-disulfonova [Czech] NSC 57606