4-Methoxyphenyl-d4-acetonitrile

4-Methoxyphenyl-2,3,5,6-d4-acetonitrile is an isotope labeled form of 4-Methoxyphenylacetonitrile(M266380). 4-Methoxyphenylacetonitrile is used in the biosynthesis of p-methoxyphenylacetic acid by immobilized Bacillus subtilis ZJB-063.