2,3,3',4,4',6-Hexachlorobiphenyl (158) Back Catalog number: 66158 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30044 EPA Method 515.1Methyl Derivatives Price on request 679888 3,3'-Dimethylbenzidine, 100 µg/ml, Acetonitrile, Price on request 0292.19-200-T 1-Methylchrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3351-28-8 Price on request