Benzenesulfonamida (CAS 98-10-2) é frequentemente identificada como impureza residual em sínteses de sulfonamidas e intermediários farmacêuticos; sua presença pode comprometer pureza | estabilidade e perfil toxicológico do material acabado. Como impureza orgânica possui baixa volatilidade e solubilidade moderada em solventes polares | o que dificulta sua remoção por simples destilação. A deteção e quantificação exigem técnicas analíticas sensíveis | tais como HPLC com detecção UV | LC-MS | NMR e espectroscopia IR | além de estudos de degradantes relacionados. Controles de processo | purificações cromatográficas e validação rigorosa de métodos analíticos são essenciais para manter níveis dentro de especificações e assegurar conformidade regulatória.
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