CAS 33657-49-7 appears in our catalog under these names: Chloromethyl Butyrate, Chloromethyl butyrate, Chloromethyl Butyrate, >98.0%(GC), Chloromethyl butyrate, 99%, Chloromethylbutyrate 98%. Offered by: GLPBio, Biosynth, TCI, Thermo Scientific (Acros), Ambeed. Available pack sizes: 100g, 25g, 500g, 0,05kg, 0,025kg, 5g, 0,1kg, 0,25kg.