Used in organic synthesis as a building block for creating complex molecules, particularly in the development of pharmaceuticals and agrochemicals. Its structure, featuring both a carboxylic acid and an alkyne group, makes it versatile for reactions like click chemistry and coupling reactions. It is also employed in the preparation of specialty polymers and materials, where its functional groups can be modified to achieve desired properties. Additionally, it serves as an intermediate in the synthesis of biologically active compounds, including potential drug candidates targeting various diseases.