Heptachlor, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678426 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 53067 Spiking Standard 5 Price on request 2330.10-K-HX 1,3-Dimethyl-2-ethylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 2870-04-4 Price on request 0999.60-10MG n-Hexacontane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 7667-80-3 Price on request