Illustrated Glossary of Organic Chemistry - Mesylate (methanesulfonate; MsO)

Illustrated Glossary of Organic Chemistry

Methane sulfonate (mesylate; MsO; OMs): An ester or salt of methanesulfonic acid (CH₃SO₃H).

Methane sulfonate anion (methane sulfonate ion; MsO^-)

Generic methane sulfonate ester

Ethyl methane sulfonate (ethyl mesylate; ethyl OMs; EtOMs)

Related terms: Sulfonate, sulfonic acid, sulfonyl chloride, sulfone, sulfoxide, sulfonamide, sulfa drug, trifluoromethanesulfonate, triflate, TfO, p-toluenesulfonate, tosylate, TsO, leaving group, R group
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