Used in the synthesis of complex glycopeptides and glycoproteins, particularly in the development of biologically active molecules and pharmaceuticals. Its protected functional groups allow selective deprotection and coupling in solid-phase or solution-phase peptide synthesis. Commonly employed in constructing glycosylated asparagine residues found in N-linked glycoproteins, making it valuable for studying protein glycosylation effects on stability, activity, and immune response. Also applied in the preparation of vaccine candidates and enzyme inhibitors where precise glycan structure is critical.