Used primarily in peptide synthesis, this compound serves as a building block for creating custom peptide sequences. It is particularly valuable in solid-phase peptide synthesis (SPPS) due to its Fmoc protecting group, which can be easily removed under mild basic conditions, allowing for stepwise peptide chain elongation. The tBu group provides additional protection for the carboxylic acid functionality, preventing unwanted side reactions during synthesis. This chemical is essential in the production of peptides for research, pharmaceuticals, and biotechnology applications, enabling the development of therapeutic peptides, peptide-based drugs, and biochemical probes. Its stability and compatibility with automated synthesizers make it a preferred choice in modern peptide chemistry.