3',4'-Dichloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene Back Catalog number: M4H12 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 681472 D12-Benzo[a]pyrene, 10.0 µg/ml, Acetonitrile, 10 Price on request 677897 Quinalphos, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 10439.9-10MG Ethenzamide Price on request