CAS Registry Number

CAS 1694-92-4 — 2-Nitrobenzenesulfonyl chloride

2-Nitrobenzenesulfonyl chloride is a highly reactive sulfonyl chloride derivative used primarily as a reagent in organic synthesis, particularly for the preparation of sulfonamides, sulfonyl fluorides, and other sulfonyl-containing compounds. It serves as an electrophile in substitution and coupling reactions, enabling the introduction of sulfonyl groups into target molecules. This chemical has a CAS number of 1694-92-4, with a molecular formula of C6H4ClNO4S and a molecular weight of 221.62 g/mol. It is classified under the **Danger** signal word due to its severe toxicity and corrosive properties, requiring careful handling. Store at ambient conditions in a dry, well-ventilated area, protected from moisture and heat. Molekula supplies 2-Nitrobenzenesulfonyl chloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.