3772819 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3772819 > 2 > ChemIDplus > 083221538 > 5-((4-((7-Amino-1-hydroxy-3-sulpho-2-naphthyl)azo)-1-naphthyl)azo)salicylic acid, sodium salt 83221-53-8 Benzoic acid, 5-((4-((7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-1-naphthalenyl)azo)-2-hydroxy-, sodium salt EINECS 280-231-3 > 83221-53-8 > 083221538 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=083221538 $$$$