4-01-00-00032 (Beilstein Handbook Reference) 593-70-4 BRN 1730796 CCRIS 136 CFC 31 CHLOROFLUOROMETHANE EINECS 209-803-2 FC 31 Freon 31 G 31 Genetron 31 HCFC-31 Khladon 31 Methane, chlorofluoro- Methylene chloride fluoride Monochloromonofluoromethane R 31 R 31 (Refrigerant)