3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid; CAS No.: 269409-73-6; As a chemical synthesis company, ChemShuttle offers 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid, a valuable building block for drug discovery. This boronic ester is widely used in cross-coupling reactions, enabling the synthesis of complex molecular structures. The company s commitment to quality ensures high-purity materials for research applications.