Used as a key intermediate in organic synthesis, particularly in the preparation of pharmaceuticals and agrochemicals. Its alkyne functionality allows participation in click chemistry reactions, such as copper-catalyzed azide-alkyne cycloaddition (CuAAC), enabling efficient conjugation in drug discovery and bioconjugation applications. Also employed in the development of functional polymers and coatings due to its ability to undergo cross-linking reactions. Its carboxylic acid group facilitates derivatization into esters, amides, and other derivatives for tailored molecular design.