This chemical is primarily used in peptide synthesis, particularly in the field of medicinal chemistry and biochemical research. It serves as a protected form of arginine, where the MTR (methoxytrimethylbenzenesulfonyl) group safeguards the guanidine functionality during peptide assembly. This protection is crucial to prevent unwanted side reactions and ensure the correct sequence of amino acids in the peptide chain.

The compound is often employed in the development of peptide-based drugs, where precise control over the structure and sequence of peptides is essential. Its application extends to the study of enzyme-substrate interactions, receptor binding, and the design of inhibitors for therapeutic targets. Additionally, it is utilized in the synthesis of modified peptides for research in areas such as immunology, oncology, and neurology, where arginine plays a significant role in biological processes.

In pharmaceutical manufacturing, it contributes to the production of peptides with enhanced stability, bioavailability, and specificity, making it a valuable tool in the creation of novel therapeutic agents.