Heptachlor, 100 µg/ml, Methanol, 1ml Back Catalog number: 679447 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 79439 Leptophos Price on request 11308.5-100-ME 2-Methylfuran, 100µg/ml in MeOH, 1ml Price on request 676133 iso-Chloridazon, 100 µg/ml, Acetonitrile, 1ml Price on request