2,3,3’,4,4’,5’-Hexachlorobiphenyl (157) Back Catalog number: 66157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675627 Isoxathion, 10 µg/ml, Ethyl acetate, 10ml Price on request 91966 Aroclor 1242 Price on request 681678 5-Chloro-2-methylaniline, 250mg Price on request