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 70023 Atrazine Price on request 10625.12-50-T 2,3,7,8-Tetrachlorodibenzo-p-dioxin Price on request 11194.26-K-IO Diisononyl phthalate (C9-alkyl ester isomer mix),1000 µg/mL,isooctane,1mL, Price on request