This chemical is primarily used in peptide synthesis, particularly in solid-phase peptide synthesis (SPPS). It serves as a building block for introducing specific structural motifs into peptides, especially those requiring tert-butoxy and methyl groups. The Fmoc (fluorenylmethyloxycarbonyl) protecting group ensures selective deprotection during the synthesis process, allowing for precise control over peptide chain elongation. Its application is critical in the development of peptide-based pharmaceuticals, where it aids in creating peptides with enhanced stability and bioactivity. Additionally, it is utilized in research for designing peptide mimics and studying protein interactions.