This compound is primarily used in peptide synthesis, particularly in solid-phase peptide synthesis (SPPS) methods. It serves as a protected amino acid derivative, where the Fmoc (fluorenylmethyloxycarbonyl) group acts as a temporary protecting group for the amine functionality. This allows for the sequential addition of amino acids to build peptides with high precision and control. The compound is especially valuable in synthesizing peptides that require the incorporation of (R)-3-(methylamino)butanoic acid, a non-natural amino acid, into their structure. Such peptides are often explored in pharmaceutical research for developing therapeutic agents, including enzyme inhibitors, receptor modulators, and bioactive peptides. Additionally, its use in SPPS enables the production of peptides with specific stereochemistry, which is crucial for their biological activity and interaction with target molecules.