Used as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of active pharmaceutical ingredients (APIs) requiring chiral piperazine scaffolds. Its protected amine functionality allows for selective reactions in multi-step organic syntheses. Commonly employed in the production of drugs targeting central nervous system disorders and infectious diseases due to the piperazine ring’s bioavailability and metabolic stability. The oxalate salt form enhances crystallinity and purification, making it suitable for industrial-scale manufacturing.