mBBr is widely used in organic synthesis as a versatile reagent, particularly in the preparation of boron-containing compounds. It serves as a key intermediate in the development of pharmaceuticals, enabling the introduction of boron atoms into complex molecules, which is crucial for creating drugs with specific biological activities. Additionally, mBBr is employed in materials science for the synthesis of advanced polymers and coatings, where its boron component enhances thermal stability and chemical resistance. In research, it is utilized in cross-coupling reactions to facilitate the formation of carbon-boron bonds, which are essential in various catalytic processes and the production of fine chemicals. Its role in these applications highlights its importance in both industrial and academic settings.