Heptachlor epoxide Back Catalog number: 72764 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 678279 Chlorthion, 100 µg/ml, Acetonitrile, 5ml Price on request CLM-9319-1.2 Bisphenol S (13C12, 98%), 100µg/mL in MeOH, 1,2ml Price on request 71494 Methyl quinoxaline-2-carboxylate Price on request