4-[(4-Amino-7-sodiosulfo-1-naphthalenyl)azo]-7'-[(2-methyl-1H-indol-3-yl)azo]-1'-hydroxy[1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt

• Supplier: Alfa Chemistry
• Product #: ACM6428202
• CAS #: 6428-20-2