Trans-beta-Styrylboronic acid is widely used in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions. It serves as a key reagent for forming carbon-carbon bonds, enabling the creation of complex organic molecules. This compound is valuable in pharmaceutical research for synthesizing biologically active compounds and drug intermediates. It is also employed in material science for developing organic electronic materials and polymers. Additionally, its boronic acid group makes it useful in sensor development for detecting sugars and other analytes. Its versatility and reactivity make it a crucial tool in modern chemical research and industrial applications.