Used in organic synthesis as a versatile building block for creating complex molecules, particularly in the development of pharmaceuticals and agrochemicals. Its unique structure allows for the introduction of functional groups, enabling the design of compounds with specific biological activities. It is also employed in click chemistry reactions, where its alkyne group facilitates efficient and selective bonding with azides, making it valuable in drug discovery and material science. Additionally, it serves as a precursor in the synthesis of polymers and advanced materials with tailored properties.