Heptachlor Back Catalog number: 70192 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57226 Iron (Fe) Price on request 8920.7-100-DC 2,4-Dichlorobenzonitrile, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 6574-98-7 Price on request 10039.10-100-ME Chlortoluron-d6 (N,N-dimethyl-d6), 100µg/ml in MeOH, 1ml Price on request