Fmoc-D-3-carbamoylphenylalanine is widely 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 amine functionality. This allows for the stepwise construction of peptides with high precision and efficiency. The compound is especially valuable in the synthesis of complex peptides and proteins, where the incorporation of non-natural or modified amino acids is required. Its application extends to the development of peptide-based drugs, biomaterials, and research tools in biochemistry and molecular biology. Additionally, it is utilized in the study of enzyme-substrate interactions and the design of peptide mimics for therapeutic and diagnostic purposes.