In the title compound, 4-[2-(4-methylthiophenyl)ethenyl]-2-oxo-2H-1-benzopy
ran-3-carbonitrile, C19H13NO2S, the benzopyran and phenyl rings are individ
ually planar, but the phenyl ring is twisted 56.7 (1)degrees out of the ben
zopyran ring plane. The configuration about the ethenyl double bond is E.