Used as a key reagent in organic synthesis, particularly in peptide coupling reactions. It facilitates the formation of amide bonds between amino acids, making it valuable in the production of peptides and proteins. Also employed in the modification of polymers and materials, enhancing their properties for specific industrial applications. Its reactivity with nucleophiles makes it useful in crosslinking processes, improving the durability and stability of various compounds. Additionally, it serves as an intermediate in the synthesis of agrochemicals and pharmaceuticals, contributing to the development of crop protection products and therapeutic drugs.