CAS Registry Number 18039-42-4 Chemical Name 5-phenyl-1H-tetrazole 5-Phenyl-tetrazole 5-phenyl tetrazole 5-Phenyltetrazole 5-phenyl-1(2)H-tetrazole 5-Phenyl-1H-tetrazol Autoname 5-Phenyl-1H-tetrazole Linear Structure Formula C6H5N4HC Molecular Formula C7H6N4 Molecular Weight 146.151 Type of Substance heterocyclic