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 90949 Methylene chloride-d2 Price on request 70729 Malathion Price on request 678347 Fenson, 100 µg/ml, Ethyl acetate, 5ml Price on request