title: N-(3-Chloro-benzo-yl)-3-nitro-benzene-sulfonamide.
abstract: In the title compound, C(13)H(9)ClN(2)O(5)S, the dihedral angle between the two benzene rings is 83.5 (1)°. In the crystal, mol-ecules are linked via N-H⋯O(S) hydrogen bonds into helical chains running along the b axis.
authors.forename: P A
authors.initials: PA
authors.lastname: Suchetan
authors.forename: Sabine
authors.initials: S
authors.lastname: Foro
authors.forename: B Thimme
authors.initials: BT
authors.lastname: Gowda