Abstract
The title compound, C17H14N2O2S, crystallizes with two roughly planar molecules in the asymmetric unit, in which the dihedral angles between the 1,3-benzodioxole-5-carbaldehyde moiety and the heterocyclic five-membered ring are 3.76 (5) and 5.33 (12)degrees. In each molecule, a short C-H center dot center dot center dot S contact generates an S(5) ring. In the crystal, pairs of molecules are linked by a weak C-H center dot center dot center dot N interaction, forming dimers.