Heptachlor, 100 µg/ml, Methanol, 1ml Back Catalog number: 679447 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2944.14-100-IO Ethyl viologen-d8 dichloride (rings-d8), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Unlabelled 3688-18-4 Price on request C17899990 Valsartan, 50mg Price on request 2236.17-050-AN Aflatoxin G2, 0.5µg/ml, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 7241-98-7 Price on request