Cat. Name CAS. Structure Purity
M115448 6-chloro-N-(7-(2,4-dinitrophenylazo)-8-hydroxy-6-s 138272-10-3 6-chloro-N-(7-(2,4-dinitrophenylazo)-8-hydroxy-6-sulfo-2-naphthyl)-N/'-(5,7-disulfo-2-naphthyl)-1,3, ≥ 95%