CAS 18984-21-9 appears in our catalog under these names: 2,4-Dichloro-beta-nitrostyrene, 2,4-Dichloro-1-(2-nitrovinyl)benzene 95%, TRANS-2,4-DICHLORO-BETA-NITROSTYRENE, 95%. Offered by: Biosynth, Ambeed, Fluorochem. Available pack sizes: 1g, 250mg, 5g, 10g, 100mg.