CAS 273-09-6 appears in our catalog under these names: Benzofurazan, Benzofurazan, 97% , 2,1,3-Benzoxadiazole, >98.0%(GC), 2,1,3-Benzoxadiazole, 97% , Benzo[c][1,2,5]oxadiazole 97%. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), TCI, Thermo Scientific, Ambeed. Available pack sizes: 25g, 5g, 1g, 10g, 50g, 100g.