.beta.-Chloroethylmethanesulfonate 2-CHLOROETHYLMETHANESULFONATE 2-Chloroethyl methanesulfonate 2-Chloroethylmethanesulfonate, puriss 3570-58-9 CB 1506 Ethanol, 2-chloro-, methanesulfonate Methanesulfonic acid, 2-chloroethyl ester NSC 18016 NSC18016 WLN: WS1&O2G