Heptachlor, 100 µg/ml, Ethyl acetate, 1ml Back Catalog number: 676691 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1265.8-K-ME p-Xylene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 106-42-3 Price on request 71060 Picloram methyl derivative Price on request 58911 Sodium (Na) Price on request