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 8425.18-1G Diisopentyl phthalate (diisoamyl phthalate), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 605-50-5 Price on request 8909.14-100-T 5-Methyl-2,2',4,4'-tetrachlorodiphenylmethane Price on request 673538 4,4'-DDT, 100 µg/ml, Ethyl acetate, 5ml Price on request