Used as an alkylating agent in organic synthesis, particularly in the preparation of pharmaceutical intermediates. It is effective in introducing pyridylmethyl groups into molecules, making it valuable in the development of active pharmaceutical ingredients (APIs). Commonly employed in the synthesis of kinase inhibitors and other bioactive compounds due to its reactivity with nucleophiles such as amines and thiols. Also utilized in the production of agrochemicals and functionalized ligands for catalysis. Its hydrobromide salt form enhances stability and handling in industrial processes.