M 2663 (OTTO) 2-Methylphenylboronic acid, 97% Cas 16419-60-6 - used for Pd-catalyzed arylation using Suzuki-Miyaura cross-coupling in water, Ruthenium catalyzed direct arylation reactions, Ligand-free copper-catalyzed coupling reactions, Rhodium-catalyzed asymmetric 1,4-addition reactions.