title: 2-Amino-4,6-dimethyl-pyrimidine-benzoic acid (1/1).
abstract: The crystal of the title compound, C(6)H(9)N(3)·C(7)H(6)O(2), contains tetra-meric hydrogen-bonded units comprising a central pair of 2-amino-pyrimidine mol-ecules linked across a centre of inversion by N-H⋯N hydrogen bonds and two pendant benzoic acid mol-ecules attached through N-H⋯O and O-H⋯N hydrogen bonds. These hydrogen-bonded units are arranged into layers in (002).
authors.affiliation: Qingdao University of Science and Technology, Qingdao 266061, People's Republic of China.
authors.forename: A-Lan
authors.initials: AL
authors.lastname: Meng
authors.forename: Jun-E
authors.initials: JE
authors.lastname: Huang
authors.forename: Bin
authors.initials: B
authors.lastname: Zheng
authors.forename: Zhen-Jiang
authors.initials: ZJ
authors.lastname: Li