This chemical is primarily used in peptide synthesis, particularly in solid-phase peptide synthesis (SPPS). It serves as a protected amino acid derivative, where the Fmoc (fluorenylmethyloxycarbonyl) group acts as a temporary protecting group for the amino group, and the Dmb (2,4-dimethoxybenzyl) group protects the carboxyl group. This dual protection allows for selective deprotection and coupling during the stepwise construction of peptides. It is especially valuable in the synthesis of complex peptides and proteins, where precise control over the sequence and structure is critical. Its application is common in pharmaceutical research, biotechnology, and the development of therapeutic peptides.