This compound is primarily utilized in the synthesis of various pharmaceutical intermediates, particularly in the development of antibiotics and other therapeutic agents. Its reactive carbonyl chloride group makes it a valuable building block in organic synthesis, enabling the formation of amide bonds with amines or other nucleophiles. It is often employed in the preparation of piperazine derivatives, which are key structural components in many drugs targeting bacterial infections, central nervous system disorders, and cardiovascular diseases. Additionally, its use in peptide coupling reactions is significant for creating complex molecular structures in medicinal chemistry. The compound's versatility and reactivity make it a crucial reagent in the production of biologically active molecules.