2,2',4,5'-Tetrachlorobiphenyl (49) Back Catalog number: 66049 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82526 EPA Method 8250/8250A Mix #3 - Pesticides Price on request 677160 Di-n-octyltin dichloride, 1000 µg/ml, Methanol, Price on request 79024 Acenaphthylene, 1000µg/ml in Acetonitrile, 1ml Price on request