NameSumitone Fast Red B CAS82643-43-4 Synonyms(4Z,4'E)-N,N'-(2,5-Dichlorobenzene-1,4-diyl)bis{4-[(2,5-dichlorophenyl)hydrazono]-3-oxo-3,4-dihydronaphthalene-2-carboxamide};N,N'-(2,5-Dichloro-1,4-phenylene)bis(4-((2,5-dichlorophenyl)azo)-3-hydroxynaphthalene-2-carboxamide); Molecular FormulaC40H22Cl6N6O4 Molecular Weight863.3585