Used as an intermediate in the synthesis of pharmaceuticals, particularly in the development of nicotinic receptor agonists and antagonists. It serves as a building block in the preparation of bioactive molecules due to the presence of both bromine and the pyridine N-oxide functionality, which allow for selective functionalization through cross-coupling reactions and directed ortho-metalation. Commonly employed in agrochemical research for designing novel pesticides and in medicinal chemistry for constructing complex heterocyclic systems. The N-oxide group enhances solubility and can act as a directing group in metal-catalyzed reactions, improving regioselectivity during derivatization.