2-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole; CAS No.: 1218791-01-5; Specializing in building blocks for drug discovery, the company supplies 2-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole for sp2-sp3 cross-coupling. Their chemical synthesis companies network ensures boronic ester stability.