Fmoc-Phe-Pro-OH is widely used in peptide synthesis, particularly in solid-phase peptide synthesis (SPPS). It serves as a building block for creating peptide chains, where the Fmoc (fluorenylmethyloxycarbonyl) group acts as a protective group for the amino acid during the synthesis process. This compound is especially valuable in synthesizing peptides with specific sequences, as it allows for precise control over the addition of amino acids. It is commonly employed in research laboratories and pharmaceutical industries to produce peptides for drug development, biochemical studies, and therapeutic applications. Its stability and compatibility with SPPS make it a reliable choice for constructing complex peptide structures.