Catsyn offer gram to tons of 9-Phenyl-3,6-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-YL)-9H-carbazole | CAS 618442-57-2, its formula is C30H35B2NO4, molecular weight is 495.23g/mol and the purity is usually NLT 98%.