Catsyn offer gram to tons of 2,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-YL)terephthalaldehyde | CAS 2305615-53-4, its formula is C20H28B2O6, molecular weight is 386.05g/mol and the purity is usually NLT 98%.