Used in organic synthesis as an intermediate for pharmaceuticals and functional materials. Its alkyne group enables click chemistry reactions, particularly copper-catalyzed azide-alkyne cycloaddition (CuAAC), making it valuable in bioconjugation, drug discovery, and polymer chemistry. The hydroxyl group allows further functionalization, such as esterification or ether formation, enabling its incorporation into more complex molecular architectures. Commonly employed in the development of probes, sensors, and functionalized molecules for research in medicinal and materials chemistry.