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 91866 Aroclor 1016 Price on request 10774.12.50-IO 2,2',3,3',4,5,5',6,6'-Nonabromobiphenyl Price on request 679548 alpha-Zearalenol, 5mg Price on request