2,2',3,3',5,5',6,6'-Octachlorobiphenyl (202) Back Catalog number: 66202 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA13480100CY Fenitrothion D6 (O,O-dimethyl D6), 100µg/ml in Cyclohexane, 1ml Price on request 677477 Triphenylmethane, 250mg Price on request 57014 Silicon (Si), 1000µg/ml in 2%-HNO3/Water, 100ml Price on request