This chemical is primarily used in the field of peptide synthesis as a building block for creating complex peptide structures. It serves as a protected amino acid derivative, where the fluorenylmethoxycarbonyl (Fmoc) group acts as a temporary protecting group for the amino functionality during the synthesis process. This allows for the selective deprotection and coupling of amino acids in a controlled manner, which is essential for constructing specific peptide sequences. Its trifluoromethylphenyl side chain can introduce unique properties into the peptide, such as enhanced stability or specific interactions with biological targets. This makes it valuable in the development of peptide-based drugs, research tools, and biomaterials.