This compound is primarily used in peptide synthesis as a protected form of arginine. The nitro group (NO2) acts as a protecting group for the guanidine moiety of arginine, preventing unwanted side reactions during the synthesis process. It is particularly useful in solid-phase peptide synthesis (SPPS) where selective deprotection is required to build complex peptides. Additionally, it finds application in biochemical research for studying enzyme-substrate interactions, as the nitro group can influence binding and activity. Its stability under various reaction conditions makes it a valuable tool in organic and medicinal chemistry for designing and synthesizing peptide-based drugs or inhibitors.