Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) that require a protected piperazine moiety. Its acetic acid functionality allows for easy coupling to other molecules, making it valuable in medicinal chemistry for constructing complex drug molecules. Commonly employed in the preparation of kinase inhibitors, antiviral agents, and central nervous system (CNS) drugs. The Boc (tert-butoxycarbonyl) group provides temporary protection of the piperazine nitrogen, enabling selective reactions and improving synthetic efficiency in multi-step organic syntheses.