Catsyn offer gram to tons of 2,12-Di-tert-butyl-5,9-bis(4-(tert-butyl)phenyl)-7-methyl-5,9-dihydro-5,9-diaza-13b-boranaphtho[3,2,1-de]anthracene | CAS 1805802-42-9, its formula is C47H55BN2, molecular weight is 658.76g/mol and the purity is usually NLT 98%.