Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) where fluorinated aromatic compounds enhance metabolic stability and bioavailability. Its aldehyde and halogen functional groups allow for selective transformations, making it valuable in constructing complex molecules for drug discovery. Commonly employed in cross-coupling reactions, such as Suzuki or Heck reactions, to build biaryl systems found in various therapeutic agents. Also utilized in agrochemical research for designing novel pesticides and herbicides due to the electron-withdrawing properties of fluorine atoms that improve compound efficacy and environmental stability.