Pinacol 4-cyano-3-trifluoromethyl phenylboronic acid is primarily used in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions. This reaction is widely employed in the pharmaceutical and agrochemical industries to form carbon-carbon bonds, enabling the synthesis of complex molecules. The compound serves as a boron reagent, facilitating the introduction of the 4-cyano-3-trifluoromethyl phenyl group into target molecules. Its stability and reactivity make it a valuable tool for constructing biologically active compounds, including potential drug candidates. Additionally, it is utilized in material science for the development of advanced organic materials with specific electronic or optical properties.