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 682177 Tiocarbazil, 100 µg/ml, Acetonitrile, 5ml Price on request 38071 PT Semi-Volatiles in Non-Potable Water - CLP Price on request 682913 Dithianon, 100 µg/ml, Acetonitrile, 5ml Price on request