2,2',3,3',4,5,6'-Heptachlorobiphenyl (174) Back Catalog number: 63174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71034 bis(Pentachlorocyclopentadienyl) Price on request 79402 Aroclor 1016 Price on request 98133 Dimethylaniline Standard Price on request