CAS 219568-17-9 appears in our catalog under these names: 5-Chloro-1-methyl-3-(trifluoromethyl)-1h-pyrazole-4-carbonitrile, 95%, 5-Chloro-1-methyl-3-(trifluoromethyl)-1h-pyrazole-4-carbonitrile, 95+%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 100mg, 1g, 250mg.