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Home/Compounds/Research Reagent/Methanesulfonic anhydride
C2H6O5S2
174.2 g/mol
Research ReagentDanger

Methanesulfonic anhydride

CAS7143-01-3EC230-442-1
Category
Research Reagent
Compound Class
Other
Primary Use
Research Compound

Methanesulfonic anhydride is the acid anhydride of methanesulfonic acid, commonly used in organic synthesis. Its primary significance is as a reagent for mesylation reactions, converting alcohols into mesylates.

Reagent for mesylation reactionsGeneration of mesylates (methanesulfonyl esters)

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Safety Reference

Corrosive
Corrosive
Danger
H314Causes severe skin burns and eye damage
Identifiers
IUPAC Name

methylsulfonyl methanesulfonate

InChIKey

IZDROVVXIHRYMH-UHFFFAOYSA-N

SMILES

CS(=O)(=O)OS(=O)(=O)C

Synonyms (15)
  • (MeSO2)2O
  • Mesic anhydride
  • Mesyl anhydride
  • Methanesulfonic anhydride
  • Methanesulphonic anhydride
  • di-methanesulfonyl ether
  • methansulfonic acid anhydride
  • methansulfonic anhydride
  • methylsulfonic acid anhydride
  • methylsulfonic anhydride