Heptachlor, 100 µg/ml, Methanol, 1ml Back Catalog number: 679447 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3348.7-100-CY Crimidine Price on request 677981 Parathion-ethyl, 100 µg/ml, Toluene, 1ml Price on request 10213 EPA Method 617/8080/8250/8270 - Analytes Price on request