2,2',3,3',4,5,6'-Heptachlorobiphenyl (174) Back Catalog number: 66174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 15900-4100-100AN5 Propachlor, 100μg/ml in Acetonitrile, 5ml Price on request 70004 Base/Neutrals Extractables Mix #4 - MISA Price on request 14500-1077-100AN5 2-Methylfluoranthene, 100µg/ml in Acetonitrile,5ml Price on request