Used as an intermediate in the synthesis of pharmaceuticals and agrochemicals, particularly in the development of active ingredients requiring substituted benzaldehyde derivatives. Its functional groups enable selective reactions for constructing complex molecules. Commonly employed in research settings for preparing dyes, fluorescent probes, and heterocyclic compounds due to its reactivity in condensation and cyclization reactions. Also utilized in the manufacture of specialty chemicals where halogen and nitro group interactions are needed for desired biological or chemical activity.