Used as an active ester in peptide synthesis, this compound facilitates efficient coupling reactions by enhancing the reactivity of carboxylic acid groups. It is particularly valuable in the preparation of pharmaceutical intermediates and bioconjugates where high selectivity and mild reaction conditions are required. Its structure supports the formation of stable amide bonds, making it useful in solid-phase peptide synthesis and in the development of therapeutic proteins and antibodies. Additionally, it serves as a linker in prodrugs and targeted drug delivery systems due to its biocompatibility and predictable cleavage properties.