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3,3'-Dichlorobenzidine dihydrochloride Inquire
CAS NO:612-83-9;   MF:C12H12Cl4N2
6-Amino-2-naphthalenesulfonic acid Inquire
CAS NO:93-00-5;   MF:C10H8NO3S
3-[(4-Aminophenyl)azo]-benzenesulfonic acid Inquire
CAS NO:102-23-8;   MF:C12H11N3O3S
2-Amino-1,4-benzenedisulfonic acid Inquire
CAS NO:98-44-2;   MF:C6H5NO6S2
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