Used as an intermediate in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) targeting central nervous system disorders and antimicrobial agents. Its structure allows for selective functionalization, making it valuable in constructing complex heterocyclic compounds. Commonly employed in cross-coupling reactions such as Suzuki or Buchwald-Hartwig aminations to introduce aryl or amine groups. Also utilized in agrochemical research for developing novel pesticides due to its electron-deficient pyridine core and reactive iodo substituent.