Used primarily as an intermediate in organic synthesis, this compound plays a crucial role in the production of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs). Its formyl and carboxylic acid functional groups make it a versatile building block for constructing more complex molecules. Additionally, it is employed in the synthesis of dyes and pigments, where its reactive sites facilitate the formation of colorants with specific properties. In research, it serves as a precursor for various chemical reactions, including the creation of heterocyclic compounds, which are valuable in medicinal chemistry. Its applications extend to agrochemicals, where it contributes to the synthesis of herbicides and pesticides.