Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Back Catalog number: 70193 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 97238 2,5-Dibromotoluene Price on request 79319 Endosulfan I Price on request 54213 Ammonia as N Price on request