2',3,4,4',5-Pentachlorobiphenyl (123) Back Catalog number: 66123 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3716.31-10UG 3 alpha,17 alpha(H),21ß(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. Price on request 79205 Chrysene Price on request DF-1348-S 1,3,4,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request