m-Methoxyphenylacetonitrile, also known as 3-Methoxyphenylacetonitrile, is a chemical compound with the molecular formula C9H9NO. It is characterized by the presence of a methoxy group (-OCH3) attached to the meta position of the phenyl ring in the acetonitrile molecule. This compound is an important intermediate in organic synthesis and can be utilized for the preparation of various pharmaceuticals, agrochemicals, and other fine chemicals.