2,2',4,5'-Tetrachlorobiphenyl (49) Back Catalog number: 66049 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94153 PBT Standard Price on request XA14073100CY gamma-HCH D6 100 µg/mL in Cyclohexane,1ml Price on request 91336 Anthraquinone Price on request