(S)-2-Amino-4-bromopent-4-enoic acid is primarily utilized in organic synthesis and pharmaceutical research. It serves as a key intermediate in the development of various biologically active compounds, particularly in the synthesis of amino acid derivatives. Its unique structure, featuring both an amino group and a bromoalkene moiety, makes it valuable for constructing complex molecules through selective chemical reactions. This compound is often employed in the study of enzyme inhibitors and receptor modulators, contributing to the discovery of potential therapeutic agents. Additionally, it is used in peptide chemistry to introduce specific functional groups or modifications, enhancing the properties of peptide-based drugs. Its applications also extend to material science, where it aids in the design of novel polymers and functional materials.