Molecules of the title compound, C14H15N4S+.Cl-.-1.25H(2)O, are linked
through intra- and intermolecular hydrogen bonds to form a dimeric st
ructure. The crystal structure of the dimer is stabilized by two inter
molecular hydrogen bonds of the N-HN ... S type and two intramolecular
hydrogen bonds of the N-HN ... Cl type. The inter- and intramolecular
bonds form. an eight-membered and a ten-membered ring, respectively.