3772842 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3772842 > 2 > ChemIDplus > 083221787 > 4-((1-Hydroxy-6-((((5-hydroxy-6-((2-methoxyphenyl)azo)-7-sulpho-2-naphthyl)amino)carbonyl)amino)-3-sulpho-2-naphthyl)azo)naphthalene-1-sulphonic acid, sodium salt 83221-78-7 EINECS 280-258-0 > 83221-78-7 > 083221787 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=083221787 $$$$