N-(Pyrazin-2-yl)-1,8-naphthyridin-2-amine

There are two independent mol­ecules in the asymmetric unit of the title compound, C₁₂H₉N₅, in which the C—N(amine)—C angles differ slightly [129.63 (11) and 132.02 (11)°]. In each independent mol­ecule, an intra­molecular C—H...N hydrogen bond stabilizes the mol­ecular structure, forming an S(6) ring motif. The independent mol­ecules are linked via an N—H...N hydrogen bond. Further N—H...N and C—H...N hydrogen bonds connect the mol­ecules into chains along c axis. Pairs of C—H...π inter­actions between the chains lead to sheets parallel to the b axis. These are linked by π–π inter­actions between the naphthyridine and pyrazine rings [centroid–centroid separations of 3.553 (8) Å] into a three-dimensional supra­molecular network.