4-(2H-Tetra­zol-5-yl)pyridinium perchlorate

In the cation of the title compound, C6H6N5+·ClO4−, the pyridinium and tetra­zole rings form a dihedral angle of 23.6 (1)°. In the crystal structure, weak inter­molecular N—H⋯O and N—H⋯N hydrogen bonds link cations and anions into chains extending along the b axis.