1 Ordered Matter Science Research Center, College of Chemistry and Chemical Engineering, Southeast University, Nanjing 210096, People's Republic of China.
In the title compound, C(8)H(7)N(5)O(2), the benzene ring makes a dihedral angle of 38.27 (11)° with the tetra-zole ring. The crystal structure is stabilized by N-H⋯N hydrogen bonds, forming an infinite one-dimensional chain parallel to the a axis.