2,2',3,3',4,5,6,6'-Octachlorobiphenyl (200) Back Catalog number: 63200 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93323 DOW 624 Volatile Internal/Surrogate Standard Price on request 677331 Triclopyr-2-butoxyethyl ester, 100 µg/ml, Acetoni Price on request MBP-D7 Mass-Labelled PCB Congener Solution/Mixture, 1.2ml, nonane Price on request