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 676140 Acetic acid-sec.-butyl ester, 250mg Price on request E889052 Estrone-d4, 2,5mg Price on request 3466.7-100-CY Oxamyl Price on request