4-Nitrobenzenesulfonamide (CAS 6325-93-5)

4-Nitrobenzenesulfonamide, also referred to as 4-NBS or p-nitrobenzenesulfonamide, is a nitrogen-containing aromatic compound with diverse applications in scientific research. It serves as a intermediate in the synthesis of numerous organic compounds and finds utility as an analytical reagent and catalyst in various processes. The versatility of 4-NBS has led to extensive investigations exploring its potential applications in laboratory applications. It serves as a catalyst in polymer synthesis and finds use as an analytical reagent for the determination of diverse compounds. Additionally, 4-NBS has demonstrated its value in the synthesis of peptides and proteins. Being an aromatic compound, 4-NBS can function as both an electron donor and acceptor. As an electron donor, it engages in reactions with electron-deficient species, such as halogens, to form adducts. Conversely, as an electron acceptor, it interacts with electron-rich species, like nucleophiles, to form adducts. Furthermore, 4-NBS exhibits Lewis acid behavior, forming complexes with Lewis bases.