Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Back Catalog number: 70193 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 79182 Endosulfan II Price on request 71819 Isopropanol dimethyl-d6 Price on request 33951 2,2-Dichloro-1,1,1-trifluoroethane Price on request