Metrafenone, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 675340 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 63171 2,2',3,3',4,4',6-Heptachlorobiphenyl (171) Price on request 677358 Acenaphthylene, 10.0 µg/ml, Cyclohexane, 10ml Price on request MPN-72 1,2,4,5,7,8-Hexachloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request