Used as a chiral building block in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) where stereochemistry plays a critical role in biological activity. Its chiral amine functionality makes it valuable in asymmetric synthesis and resolution processes. Commonly employed in the preparation of central nervous system agents, including antidepressants and antiviral drugs. Also utilized in the production of agrochemicals and specialty polymers requiring enantiomerically pure intermediates. The hydrochloride salt form enhances stability and solubility, facilitating handling and purification during industrial-scale synthesis.