7-Amino-1,2,3,4-tetrahydroquinazoline-2,4-dithione

The title mol­ecule, C8H7N3S2, is essentially planar and exists in the thione form. The mol­ecules associate via N—H⋯S inter­actions to form double chains, which pack in a zigzag fashion via N—H⋯N inter­actions and π–π stacking.