Methoxy

(organic chemistry) OCH₃ A combining form indicating the oxygen-containing methane radical, found in many organic solvents, insecticides, and plasticizer intermediates.

Containing the radical group, CH₃O: methoxyflurane.

The structure of a typical methoxy group.

In chemistry (particularly organic chemistry), methoxy refers to the functional group consisting of a methyl group bound to oxygen. It has the formula:

–O–CH₃

The word is used in organic nomenclature usually to describe an ether. It is also an electron-donating group and can cause an organic compound to become less acidic.

Examples of methoxy ethers are methoxyethane and methoxypropane.

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