2,2',4,5'-Tetrachlorobiphenyl (49) Back Catalog number: 66049 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59519 Metals Mix Price on request 95336 VOC Standard Mix #1 Price on request PFRS-027S TDCP, 100µg/ml in Toluene, 1ml Price on request