Used as an intermediate in the synthesis of pharmaceuticals, particularly in the development of drugs targeting neurological and psychiatric disorders. Its reactive chloromethyl group allows for easy functionalization, making it valuable in constructing complex heterocyclic compounds. Commonly employed in the preparation of pyrazine-based bioactive molecules, including receptor agonists and enzyme inhibitors. Also utilized in agrochemical research for developing novel pesticides with improved efficacy and selectivity. Its hydrochloride salt form enhances stability and solubility, facilitating handling and reaction efficiency in various synthetic routes.