2,2’,3,4,4’,5’-Hexachlorobiphenyl (138) Back Catalog number: 66138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3443.2-100-AN Methamidophos, 100μg/mL in Acetonitrile, 1ml Price on request 681925 Flurenol-butyl ester, 100 µg/ml, Ethyl acetate, Price on request 2624.33-10UG 17ß(H),21ß(H)-(22RS)-Trishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 71629-80-6 Price on request