2,2',4,5'-Tetrachlorobiphenyl (49) Back Catalog number: 66049 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA14960000AL Methabenzthiazuron, 100μg/mL in Acetonitrile, 1ml Price on request 73477 4-Chlorobenzotrichloride Price on request 94412 VOC Surrogate Standard Price on request