2,3-Dichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Back Catalog number: MDF-23 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 0029.22-200-T Pentaphene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 222-93-5 Price on request 14963.12-50-ME Perfluorododecanesulfonic acid, 50µg/ml in MeOH, 1ml Price on request 677898 Aldrin, 100 µg/ml, Acetonitrile, 1ml Price on request