Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of active pharmaceutical ingredients (APIs) involving piperazine derivatives. It serves in the preparation of drugs targeting central nervous system disorders, antipsychotics, and antidepressants due to its ability to modify bioavailability and binding affinity. Also employed in the production of agrochemicals and in research for constructing nitrogen-containing heterocyclic compounds. Its tosyl group facilitates selective reactions, making it valuable in multi-step organic syntheses.