2,3,3',4,4',5,5'-Heptachlorobiphenyl (189) Back Catalog number: 66189 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676868 Isoconazole Nitrate, 10mg Price on request 66208 2,2',3,3',4,5,5',6,6'-Nonachlorobiphenyl (208) Price on request 678089 EPN, 100 µg/ml, Acetonitrile, 1ml Price on request