Used as a chiral intermediate in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) requiring high enantiomeric purity. Its structure allows for selective binding and improved metabolic stability in certain drug candidates. Commonly employed in the preparation of central nervous system agents and enzyme inhibitors where stereochemistry plays a critical role in biological activity. The hydrochloride salt form enhances stability and solubility, facilitating handling and downstream processing in industrial-scale reactions.