Used as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of active pharmaceutical ingredients (APIs) that require piperazine scaffolds. Its protected amine group allows for selective reactions in multi-step organic syntheses, making it valuable in drug discovery. Commonly employed in the preparation of central nervous system agents, receptor agonists, and antagonists where the 3,5-dimethylpiperazine structure enhances metabolic stability and bioavailability. Also utilized in research settings for building complex heterocyclic systems in medicinal chemistry.