Catsyn offer gram to tons of 11-(4,6-Diphenyl-1,3,5-triazin-2-yl)-12-phenyl-11,12-dihydroindolo[2,3-a]carbazole | CAS 1024598-01-3, its formula is C39H25N5, molecular weight is 563.65g/mol and the purity is usually NLT 98%.