1-[2-(Dimethylamino)ethyl]-1H-tetrazole-5-thiol , with CAS number of 61607-68-9, can be called 1-[2-(Dimethylamino)ethyl]-1,2-dihydro-5H-tetrazole-5-thione ; 1-(2-Dimethylaminoethyl)-5-mercapto-1,2,3,4-tetrazole .