It is methoxy substituted 4-aminopyrimidine.Molecules of 4-amino-2,6-dimethoxypyrimidine are linked by an N-H.O hydrogen bond and an N-H.N hydrogen bond, forming sheets containing centrosymmetric rings.Photocatalytic degradation of 4-amino-2,6-dimethoxypyrimidine on TiO2 has been reported. Mass spectra of 4-amino-2,6-dimethoxypyrimidine has been studied.