2,6-Diamino-4-chloro­pyrimidine–benzoic acid (1/1)

The benzoic acid mol­ecule of the title compound, C(4)H(5)ClN(4)·C(7)H(6)O(2), is approximately planar, with a dihedral angle of 1.28 (9)° between the carb­oxy group and the benzene ring. In the crystal, two acid and two base mol­ecules are linked through N—H⋯O and O—H⋯N hydrogen bonds, forming a centrosymmetric 2 + 2 unit with R (2) (2)(8) and R (4) (2)(8) motifs. These units are further linked through a pair of N—H⋯N hydrogen bonds into a tape structure along [1-20]. The crystal structure also features weak π–π [centroid–centroid distance = 3.5984 (11) Å] and C—H⋯π inter­actions.