2,3',4,4',5',6-Hexachlorobiphenyl (168) Back Catalog number: 66168 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92532 Benzo(a)anthracene Price on request 673429 Pymetrozine, 100 µg/ml, Acetonitrile, 5ml Price on request 94505 Hydrocortisone Price on request