2,3-Difluoro-4-hydroxyphenylboronic acid is primarily used in organic synthesis, particularly in the formation of carbon-carbon bonds through Suzuki-Miyaura cross-coupling reactions. This compound serves as a versatile boronic acid reagent, enabling the construction of complex organic molecules, including pharmaceuticals and agrochemicals. Its unique structure, featuring fluorine atoms and a hydroxyl group, enhances its reactivity and selectivity in coupling reactions, making it valuable for producing compounds with specific functional properties. Additionally, it is employed in the development of sensors and probes for detecting biological molecules, leveraging its ability to interact with diols and other target analytes. Its applications extend to materials science, where it is used in the synthesis of advanced polymers and coatings with tailored properties.