2,3,3',4,4',5'-Hexachlorobiphenyl (157) Back Catalog number: 68157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73781 5-Methyl-2-hexanone Price on request 50186 Anion Mix #1 Price on request PFUDA Perfluoro-n-undecanoic acid, 1.2ml x 50ug/ml, methanol Price on request