Illustrated Glossary of Organic Chemistry

Sulfonyl chloride: A functional group, characterized by a sulfur atom doubly-bonded to two oxygen atoms and singly-bonded to one chlorine atom, or a molecule containing this functional group.






Generic sulfonyl chloride
molecular structure.
  
Methanesulfonyl chloride
(mesyl chloride; MsCl)
  
p-Toluenesulfonyl chloride
(tosyl chloride; pTsCl; TsCl)