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 673950 Tioconazole, 250mg Price on request 98526 Alcohol Mix Price on request 71387 2-Bromonaphthalene Price on request