Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the production of fluorinated active pharmaceutical ingredients (APIs) where the fluorine and chlorine substituents enhance metabolic stability and binding affinity. Commonly employed in the development of agrochemicals, including herbicides and fungicides, due to its ability to improve bioavailability and environmental persistence. Also utilized in the preparation of dyes and fluorescent probes, where its electron-withdrawing groups facilitate specific chromophore modifications. Its aldehyde functionality allows for easy derivatization via condensation or reduction reactions, making it valuable in multi-step organic synthesis.