CAS 1073353-72-6 appears in our catalog under these names: 1,3-Bis(4-boronophenyl)urea, bispinacol ester, 97%, 1-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)urea, 95%, 95%. Offered by: Combi-blocks, Chemat. Available pack sizes: 5g, 1g, 250mg.