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 59322 Cations Mix (K,Na,Mg,Ca) 1000µg/ml in Water, 100ml Price on request 92856 MSP Screen Standard Price on request 11358.8-K-AN N-Methyl-N-nitrosobenzylamine,1000 µg/mL,acetonitrile,1mL, Price on request