Used as a key intermediate in the synthesis of pharmaceutical compounds, particularly in the development of kinase inhibitors and other biologically active molecules. Its reactive bromomethyl group allows for easy alkylation and coupling reactions, making it valuable in constructing complex heterocyclic systems. Commonly employed in medicinal chemistry for modifying pyridine-based scaffolds to enhance binding affinity or pharmacokinetic properties. Also utilized in the preparation of labeled compounds for biochemical assays and receptor binding studies.