Category:
Active Pharmaceutical Ingredients
Chlorosulfonyl isocyanate (CAS 1189-71-5) is a critical reagent for synthesizing polyureas and sulfonylurea derivatives via nucleophilic addition. Its molecular formula is CISO3N.
Strictly store in cool, dry, well-ventilated areas away from moisture. Requires full PPE including acid-resistant suits due to severe corrosivity and hydrolysis hazards releasing HCl gas.