2,2’,3,3’,4,5-Hexachlorobiphenyl (129) Back Catalog number: 63129 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675995 Malaoxon, 100 µg/ml, Toluene, 5ml Price on request 8631.31-10UG 3ß,17ß(H),21ß(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 497938-80-4 Price on request 677838 2-Hydroxyibuprofen, 100 µg/ml, Acetonitrile, 1ml Price on request