This chemical is primarily used in peptide synthesis as a building block for creating specific peptide sequences. Its structure includes a fluorenylmethoxycarbonyl (Fmoc) protecting group, which is widely employed in solid-phase peptide synthesis (SPPS) to protect the amino group during the coupling process. The presence of the 4-ethoxyphenyl group adds aromatic properties, making it useful in designing peptides with specific structural or functional characteristics. It is particularly valuable in research and pharmaceutical development for synthesizing peptides with potential therapeutic applications, such as drug candidates or bioactive molecules. The Fmoc group can be easily removed under mild conditions, allowing for efficient and controlled peptide chain elongation.