CAS 51449-86-6 appears in our catalog under these names: 5-(2-Methylphenyl)-1H-tetrazole, 99% , 5-(o-Tolyl)tetrazole, 5-(o-Tolyl)tetrazole 98%, 5-(o-Tolyl)tetrazole, 98%, 98%. Offered by: Thermo Scientific (Alfa Aesar), Biosynth, Ambeed, Chemat. Available pack sizes: 1g, 250mg, 5g.