Heptachlor, 100 µg/ml, Methanol, 1ml Back Catalog number: 679447 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 8578-100MG Triton X-405 (70% in water), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. Price on request 678439 Malathion, 100 µg/ml, Acetonitrile, 5ml Price on request 81801 EPA Method 608 Pesticides Price on request