title: 4-Chloro-1H-pyrrolo-[2,3-d]pyrimidine.
abstract: The title compound, C(6)H(4)ClN(3), is essentially planar with the pyrrole and pyrimidine rings inclined to one another by 0.79 (15)°. In the crystal, mol-ecules are connected via pairs of N-H⋯N hydrogen bonds, forming inversion dimers. These dimers are linked via C-H⋯N inter-actions, forming a two-dimensional network parallel to (10-1).
authors.affiliation: College of Life Science and Chemical Engineering, Huaiyin Institute of Technology, Huaiyin 223003, Jiangsu,  People's Republic of China.
authors.forename: Su-Lan
authors.initials: SL
authors.lastname: Dong
authors.forename: Xiaochun
authors.initials: X
authors.lastname: Cheng