3772816 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3772816 > 2 > ChemIDplus > 083221505 > 7-(Benzoylamino)-4-hydroxy-3-((4-((4-sulphophenyl)azo)phenyl)azo)naphthalene-2-sulphonic acid, sodium salt 83221-50-5 EINECS 280-228-7 > 83221-50-5 > 083221505 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=083221505 $$$$