Catsyn offer gram to tons of 3,6-bis(Phenyl)-1-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole | CAS 2828612-91-3, its formula is C30H28BNO2, molecular weight is 445.36g/mol and the purity is usually NLT 98%.