This chemical is primarily used as a reactive intermediate in organic synthesis, particularly in the preparation of active esters. It is employed in peptide coupling reactions, where it facilitates the formation of amide bonds between amino acids, enhancing the efficiency of peptide synthesis. Additionally, it is utilized in the modification of biomolecules, such as proteins and nucleic acids, enabling the attachment of functional groups or labels for research and diagnostic purposes. Its stability and reactivity make it a valuable tool in the development of pharmaceuticals and bioconjugation strategies.