2,2',4,5'-Tetrachlorobiphenyl (49) Back Catalog number: 66049 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52045 Calibration Standard Mix 3 Price on request 32771 2,4-Dimethylhexane Price on request 676194 Mexacarbate, 10.0 µg/ml, Acetonitrile, 10ml Price on request