2,2',3,3',4,6,6'-Heptachlorobiphenyl Back Catalog number: 66176 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677953 Chinomethionat, 250mg Price on request H669500 Homovanillic Acid, 50mg Price on request 83580 Acifluorfen Price on request