Used in peptide synthesis as an active ester, facilitating the coupling of amino acids. Commonly employed in the preparation of glycine-containing peptides and peptidomimetics. Helps in the study of enzymatic reactions and protein interactions. Applied in biochemical research to modify peptides and proteins for functional analysis. Also utilized in the development of pharmaceuticals, particularly in designing peptide-based drugs. Its stability and reactivity make it a valuable tool in organic and medicinal chemistry.