2,2’,4,4’-Tetrachlorobiphenyl Back Catalog number: 63047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50787 Hexavalent Chromium (Cr 6+) Price on request 71574 2,4,5-Trichlorophenol-PFB derivative Price on request M338785-5MG Metoprolol Acid, 5mg Price on request