Used primarily as an intermediate in organic synthesis, it plays a key role in the production of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs). It is also utilized in the synthesis of dyes and pigments, contributing to the vibrant colors in various industrial applications. Additionally, it serves as a building block in the creation of complex organic compounds for research and development in chemical and material sciences. Its formyl and carboxylic acid functional groups make it versatile for further chemical modifications.