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 678122 D8-9,10-Anthraquinone, 100 µg/ml, Acetonitrile, Price on request 71809 Isobutyric acid Price on request 71640 Styrene oxide Price on request