This chemical is primarily utilized in organic synthesis as a reagent for the protection of amines. Its mesitylene sulfonyl group acts as a protective moiety, shielding amines during complex chemical reactions, particularly in peptide synthesis. The nitro group enhances its reactivity, making it effective in selective transformations. Additionally, it finds application in the development of pharmaceuticals and agrochemicals, where precise control over amine reactivity is crucial. Its stability and specificity make it a valuable tool in constructing complex molecular architectures.