Heptachlor, 100 µg/ml, Methanol, 1ml Back Catalog number: 679447 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 674529 Benzyldimethyltetradecylammonium chloride, 10.0 µg Price on request 3499.22-100-AN Resmethrin Price on request 70362 N,N-Dimethylformamide Price on request