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 72981 Hexaconazole Price on request 678078 Phenkapton, 100 µg/ml, Acetonitrile, 1ml Price on request 70158 4,6-Dinitro-2-methylphenol Price on request