CAS 1142199-23-2 appears in our catalog under these names: (4E)-3-(Chloromethyl)-4-(4-fluorobenzylidene)isoxazol-5(4h)-one, 95%, 3-(Chloromethyl)-4-(4-fluorobenzylidene)isoxazol-5(4H)-one, 95+%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 1g, 5g.