PCB Congeners Back Catalog number: 94990 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677671 4,4'-Bis(a,a-dimethylbenzyl)diphenylamine, 250mg Price on request 675668 Sulprofos, 100 µg/ml, Ethyl acetate, 5ml Price on request UFA-020S Methyl cis-11,14-eicosadienoate C20:2, 10mg/ml in Heptane, 1ml Price on request