Heptachlor, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678426 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 94727 p-Cresidine Price on request 0041.18-10MG 5-Nitrobenzo[c]phenanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 64356-30-5 Price on request 678527 D10-Napropamide, 10.0 µg/ml, Acetonitrile, 1ml Price on request