(S)-2-Amino-5-phenylpentanoic acid is primarily utilized in the field of pharmaceutical research and development. It serves as a key intermediate in the synthesis of various bioactive compounds, particularly those targeting neurological and cardiovascular disorders. Its structural properties make it valuable in the design of peptide-based drugs, where it can enhance binding affinity and stability. Additionally, it is employed in the study of enzyme mechanisms and as a building block in organic synthesis for creating complex molecules with potential therapeutic applications. Its role in medicinal chemistry highlights its importance in advancing drug discovery and development processes.