Fmoc-DAP-OH is widely used in peptide synthesis as a building block for creating peptides with specific sequences. It is particularly valuable in solid-phase peptide synthesis (SPPS), where the Fmoc (fluorenylmethyloxycarbonyl) group acts as a protective group for the amino group, allowing for controlled and stepwise assembly of peptides. This compound is essential in the synthesis of peptides for research in biochemistry, pharmaceuticals, and biotechnology, enabling the study of protein functions and the development of therapeutic agents. Its application also extends to the production of peptide-based drugs and diagnostics, where precise peptide sequences are critical for efficacy and specificity.