Heptachlor, 100 µg/ml, Ethyl acetate, 1ml Back Catalog number: 676691 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 678315 Tefluthrin, 10.0 µg/ml, Acetonitrile, 10ml Price on request 676231 Chlorfenvinphos, 100 µg/ml, Cyclohexane, 1ml Price on request 676228 Parathion-methyl, 100 µg/ml, Toluene, 1ml Price on request