The thiazole–pyridazine fused-ring system of the title compound, C13H12N4O3S2, is approximately planar (r.m.s.deviation = 0.
037 Å); ANTIBACTERIAL THIEVES the benzene ring connected to the fused-ring system through the N atom is twisted by 39.3 (1)°.The amine group uses an H atom to form a hydrogen bond to the ketonic O atom of Bathroom Cleaners an inversion-related molecule to generate a dimer; adjacent dimers are linked by an N—H.O hydrogen bond to form a linear chain.