(E)-4-(4-Meth­oxy­phen­yl)but-3-en-2-one

In the title compound, C₁₁H₁₂O₂, the dihedral angle between the benzene ring and the but-3-en-2-one group is 4.04 (5)°. The crystal packing features chains, parallel to [-101], composed of dimers connected by weak C—H...O inter­actions..