Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) requiring chiral piperazine scaffolds. Its functional groups enable coupling reactions in drug design, especially in central nervous system agents and antimicrobial compounds. The dihydrochloride salt form enhances stability and solubility, making it suitable for use in aqueous reaction conditions and purification processes during manufacturing. Commonly employed in research settings for structure-activity relationship (SAR) studies due to its stereochemistry and derivatization potential.