Used as an intermediate in organic synthesis, particularly in the development of pharmaceutical compounds. It serves as a building block in the preparation of bioactive molecules due to the presence of reactive sulfonyl groups and the piperazine scaffold, which is common in medicinal chemistry. Its electron-withdrawing nitro group facilitates nucleophilic aromatic substitution reactions, enabling the formation of C–N or C–S bonds in drug design. Commonly employed in the synthesis of kinase inhibitors and other therapeutic agents targeting inflammatory and neurological disorders. Also utilized in research settings for the preparation of sulfa drugs and protease inhibitors.