2,4,6-Trichlorophenylboronic acid is primarily used in organic synthesis as a key intermediate in the preparation of various pharmaceutical compounds. Its boronic acid group makes it a valuable reagent in Suzuki-Miyaura cross-coupling reactions, which are widely employed to form carbon-carbon bonds in the synthesis of complex molecules, including drugs and agrochemicals. Additionally, it serves as a building block in the development of materials with specific electronic or optical properties, such as organic semiconductors or sensors. The trichlorophenyl group enhances the stability and reactivity of the compound, making it suitable for applications in fine chemical manufacturing and research.