2,3,4,4',5,6-Hexachlorobiphenyl (166) Back Catalog number: 66166 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681679 2-Benzyl-4-chlorophenol, 100mg Price on request 19062 EPA Method 525 - PAH Standard Price on request 8753.X-500G Melamine polyphosphate,neat,neat,500g, Price on request