2-Chlorobenzenesulfonyl chloride

For research use only. Not for therapeutic Use.

  • CAT Number: L011031
  • CAS Number: 2905-23-9
  • Molecular Formula: C6H4Cl2O2S
  • Molecular Weight: 211.06
  • Purity: ≥95%
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2-Chlorobenzenesulfonyl chloride(CAT: L011031) is an aromatic sulfonyl chloride featuring a chlorine atom at the ortho position of the benzene ring. It is a highly reactive electrophilic reagent widely used in organic synthesis for the preparation of sulfonamides, sulfonate esters, and heterocyclic compounds. The ortho-chloro substitution influences both steric and electronic properties, providing selective reactivity in functional group transformations. This compound is frequently employed in the pharmaceutical, agrochemical, and polymer industries as a sulfonylating agent and as a key intermediate in multi-step synthetic routes. Its reactivity with nucleophiles makes it a valuable tool for developing biologically active molecules and advanced materials.


CAS Number 2905-23-9
Molecular Formula C6H4Cl2O2S
Purity ≥95%
IUPAC Name 2-chlorobenzenesulfonyl chloride
InChI InChI=1S/C6H4Cl2O2S/c7-5-3-1-2-4-6(5)11(8,9)10/h1-4H
InChIKey KMVZDSQHLDGKGV-UHFFFAOYSA-N
SMILES C1=CC=C(C(=C1)S(=O)(=O)Cl)Cl
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