Used as a coupling reagent in peptide synthesis, facilitating the formation of amide bonds between amino acids. It is particularly effective in solid-phase peptide synthesis due to its stability and high reactivity. The compound helps minimize racemization, ensuring the stereochemical integrity of the peptides. It is also employed in the preparation of various pharmaceuticals and bioactive molecules where efficient amide bond formation is required. Its solubility in common organic solvents makes it suitable for use in automated synthesizers and large-scale production.