In the title compound, C(8)H(5)ClN(2), the planar mol-ecules are arranged with their Cl atoms in close contact [Cl⋯Cl = 3.808 (1) and 3.881 (1) Å], indicating weak Cl⋯Cl inter-actions, which give rise to a supra-molecular chain.
* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.