CAS 1665-00-5 appears in our catalog under these names: Dichloromethane-d{2}, 99.9% (Isotopic) , Dichloromethane-d_2, 99.5% (Isotopic) , Dichloromethane-d{2}, 100% (Isotopic) . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 1g, 5g, 25g, 10each, 2each.