Heptachlor, 1.2mL x 100ug/mL, nonane Back Catalog number: HPCHLOR Manufacturer: Wellington Laboratories Availability: In the manufacturer's stock Price on request - + Recommended 51061 ASTM D-4815 Calibration Mix #4 Price on request 0244.24-200-T Dibenzo[a,e]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 192-65-4 Price on request 73158 Dodecanoic acid Price on request