2,2',3,3',4,5,6'-Heptachlorobiphenyl (174) Back Catalog number: 66174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684121 n-Pentyl-iso-pentylphthalate, 50mg Price on request 97701 #2 Fuel Oil (Diesel) Price on request 3322.14-100-CY Bifenox Price on request