2,2',3,3',5,5',6,6'-Octachlorobiphenyl (202) Back Catalog number: 63202 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0035.18-200-T Cyclopenta[cd]pyrene,200 µg/mL,toluene,1mL, Price on request 677979 Methidathion, 100 µg/ml, Toluene, 1ml Price on request 677367 Anthracene, 100 µg/ml, Cyclohexane, 1ml Price on request