CAS 405-03-8 appears in our catalog under these names: 3,4-Difluorostyrene, 98%, 1,2-Difluoro-4-vinylbenzene, 98% mix TBC as stabilizer, 3,4-Difluorostyrene, 98% (stabilized with TBC). Offered by: Combi-blocks, Ambeed, BLDpharm, Fluorochem. Available pack sizes: 1g, 10g, 25g, 5g, 100g.