Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the production of fluorinated active pharmaceutical ingredients (APIs) where the fluorine atom enhances metabolic stability and bioavailability. Commonly employed in the development of central nervous system (CNS) drugs and anti-inflammatory agents due to its ability to modulate electron density in aromatic systems. Also utilized in agrochemicals for creating herbicides and fungicides, leveraging the fluorine substituent to improve lipophilicity and target binding. Serves as a building block in organic synthesis for introducing fluorinated aromatic aldehyde functionality in complex molecules.