title: 4-Chloro-phenyl 2-oxo-2H-chromene-3-carboxyl-ate.
abstract: In title compound, C(16)H(9)ClO(4), the coumarin ring system is approximately planar [maximum deviation = 0.056 (1) Å] and is oriented with respect to the benzene ring at an angle of 22.60 (7)°. Inter-molecular C-H⋯O hydrogen bonding is present in the crystal.
authors.affiliation: Faculty of Biotechnology Industry, Chengdu University, Chengdu 610106,  People's Republic of China.
authors.forename: Xiao-Qiang
authors.initials: XQ
authors.lastname: Guo
authors.forename: Jun
authors.initials: J
authors.lastname: Yan
authors.forename: Ya
authors.initials: Y
authors.lastname: Gan
authors.forename: Qin
authors.initials: Q
authors.lastname: Song
authors.forename: Xiao-Jun
authors.initials: XJ
authors.lastname: Gou