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 94895 Pesticide Standard Price on request 96651 Internal Standard Price on request 677264 Mandestrobin, 100 µg/ml, Acetonitrile, 1ml Price on request