2,2',3,3',4,5,6,6'-Octachlorobiphenyl (200) Back Catalog number: 66200 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9168.23-5MG Pholcodine-N,N'-dioxide, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. Price on request 675766 Isazofos, 100 µg/ml, Ethyl acetate, 5ml Price on request 53337 Mixed Calibration Standard 3 Price on request