Definition | Mesylate, also known as methanesulfonate or mesylic acid, belongs to the class of organic compounds known as organosulfonic acids. Organosulfonic acids are compounds containing the sulfonic acid group, which has the general structure RS(=O)2OH (R is not a hydrogen atom). Mesylate is an extremely strong acidic compound (based on its pKa). An alkanesulfonic acid in which the alkyl group directly linked to the sulfo functionality is methyl. |
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