Used as an intermediate in the synthesis of pharmaceutical compounds, particularly in the development of active pharmaceutical ingredients (APIs) where piperazine derivatives are key structural elements. Its protected amine group (Boc-protected) allows for selective reactions at other functional sites, making it valuable in multi-step organic synthesis. The presence of the cyanobenzyl group enables further transformations such as reduction to aminomethyl derivatives or use in coupling reactions. Commonly employed in medicinal chemistry for constructing drug candidates targeting CNS disorders, metabolic diseases, and oncology. Also utilized in the preparation of receptor ligands and enzyme inhibitors due to the favorable pharmacokinetic properties imparted by the piperazine scaffold.