Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Back Catalog number: 70193 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 70175 Ethoprop, 1000µg/ml in MeOH, 1ml Price on request 10614.2-100-ME O,O-Dimethylhydrogenphosphate-13C2 , sodium salt Price on request 8640.12-50-T 1,2-Dichlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request