2,2',3,3',4',5,6-Heptachlorobiphenyl (177) Back Catalog number: 66177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30044 EPA Method 515.1Methyl Derivatives Price on request 672851 Fenoxycarb, 250mg Price on request 673354 Chlorotoluron, 10.0 µg/ml, Acetonitrile, 10ml Price on request