Catsyn offer gram to tons of 3,5-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-YL)-1H-pyrazole | CAS 857530-80-4, its formula is C11H19BN2O2, molecular weight is 222.09g/mol and the purity is usually NLT 98%.