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 50184 Ammonium (NH4+) Price on request 97617 3,4,5,6-Tetrachloroguaiacol Price on request S-12383M1-1ML Metamitron, 100µg/ml in Methanol, 1ml Price on request