2,2',3,4',5,6,6'-Heptachlorobiphenyl (188) Back Catalog number: 66188 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72821 Diazinon-O-analog Price on request X9005 Acetonitrile Price on request 675021 PSA-Mix 9 Price on request