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Atomfair Benzenesulfonyl chloride, 2,4-dichloro- C6H3Cl3O2S

Description 2,4-Dichlorobenzenesulfonyl chloride (CAS No. 16271-33-3) is a highly reactive organosulfur compound with the molecular formula C6H3Cl3O2S . This crystalline solid is widely used as a key intermediate in organic synthesis, particularly in the preparation of sulfonamides, sulfonate esters, and other sulfur-containing derivatives. Its dichlorinated aromatic ring enhances electrophilic reactivity, making it ideal for nucleophilic substitution reactions. The compound is moisture-sensitive and should be stored under inert conditions. Suitable for researchers in pharmaceuticals, agrochemicals, and material science, this high-purity reagent is rigorously tested for consistency and performance.

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Description

Description

2,4-Dichlorobenzenesulfonyl chloride (CAS No. 16271-33-3) is a highly reactive organosulfur compound with the molecular formula C6H3Cl3O2S. This crystalline solid is widely used as a key intermediate in organic synthesis, particularly in the preparation of sulfonamides, sulfonate esters, and other sulfur-containing derivatives. Its dichlorinated aromatic ring enhances electrophilic reactivity, making it ideal for nucleophilic substitution reactions. The compound is moisture-sensitive and should be stored under inert conditions. Suitable for researchers in pharmaceuticals, agrochemicals, and material science, this high-purity reagent is rigorously tested for consistency and performance.

  • CAS No: 16271-33-3
  • Molecular Formula: C6H3Cl3O2S
  • Molecular Weight: 245.5
  • Exact Mass: 243.891934
  • Monoisotopic Mass: 243.891934
  • IUPAC Name: 2,4-dichlorobenzenesulfonyl chloride
  • SMILES: C1=CC(=C(C=C1Cl)Cl)S(=O)(=O)Cl
  • Synonyms: 2,4-Dichlorobenzenesulfonyl chloride, 16271-33-3, Benzenesulfonyl chloride, 2,4-dichloro-, BRN 2806192, DTXSID40167444

Application

2,4-Dichlorobenzenesulfonyl chloride is primarily employed as a sulfonylation agent in the synthesis of sulfonamide drugs, herbicides, and polymer modifiers. It serves as a versatile building block for introducing the 2,4-dichlorophenylsulfonyl moiety into target molecules. Researchers also utilize it in cross-coupling reactions and as a precursor for functionalized materials. Its reactivity with amines and alcohols makes it valuable for creating bioactive compounds.

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