Used as a coupling agent in peptide synthesis, this compound facilitates the formation of amide bonds by activating carboxylic acids. It is particularly effective in solid-phase peptide synthesis due to its stability and solubility properties. The reagent helps minimize racemization, ensuring high purity and yield of the target peptides. It is also employed in the preparation of pharmaceuticals and bioactive molecules where precise molecular assembly is critical. Its application extends to bioconjugation processes, such as labeling proteins or attaching payloads in antibody-drug conjugates.