Heptachlor, 100 µg/ml, Methanol, 1ml Back Catalog number: 679447 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 55088 CWA UV 254 Absorbance/ DOC Price on request 10628.12-50-T 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin Price on request 79084 MCPP methyl derivative Price on request