2,2',3,4,4',5,5',6-Octachlorobiphenyl (203) Back Catalog number: 66203 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94750 4,4’-Diamino-3,3’-dimethyldiphenylmethane Price on request ETAHBCD η-1,2,5,6,9,10-Hexabromocyclododecane, 1.2ml x 50ug/ml, toluene Price on request TFA Trifluoroacetic acid, 50µg/ml in MeOH, 1,2ml Price on request