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 11925.24-10MG Eplerenon,neat,neat,10mg, Price on request 66086 2,2',3,4,5-Pentachlorobiphenyl Price on request 94980 PCB Congener Mix #2 Price on request