Used primarily in peptide synthesis, it serves as a building block for creating peptides with specific structural and functional properties. The Fmoc group protects the amino acid during the synthesis process, ensuring selective reactions. It is particularly valuable in research and development of bioactive peptides, pharmaceuticals, and materials science. Its incorporation into peptides can enhance stability, modulate biological activity, or introduce unique electronic properties due to the thienyl group. This makes it useful in designing drugs, enzyme inhibitors, or functional biomaterials.