Catsyn offer gram to tons of 2,4-Diphenyl-6-[3'-(2-triphenylenyl)[1,1'-biphenyl]-3-YL]-1,3,5-triazine | CAS 1638271-85-8, its formula is C45H29N3, molecular weight is 611.73g/mol and the purity is usually NLT 98%.