Used primarily in organic synthesis, this compound serves as a key reagent for introducing the 4-methylpiperazine moiety into various molecules. It is particularly valuable in the pharmaceutical industry for the development of drugs, including antipsychotics and other therapeutic agents. Its reactivity with amines and alcohols makes it useful for creating amide and ester linkages, enhancing the structural diversity of potential drug candidates. Additionally, it plays a role in the modification of peptides and proteins, aiding in the study of biochemical pathways and drug discovery processes.