beta-HCH, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678423 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 66127 3,3',4,5,5'-Pentachlorobiphenyl (127) Price on request 678436 Isofenphos-methyl, 100 µg/ml, Acetonitrile, 1ml Price on request UFA-031S Methyl cis-7,10,13,16-Docosatetraenoate, 10mg/ml in Heptane, 1ml Price on request