Heptachlor, 100 µg/ml, Methanol, 1ml Back Catalog number: 679447 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 675661 Silthiofam, 10 µg/ml, Ethyl acetate, 10ml Price on request 70817 Propanil Price on request 677805 Caproic acid, 1ml Price on request