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 93416 EPA Method 610/8310 Analytes Price on request 679814 Sulfamethazine, 100 µg/ml, Methanol, 1ml Price on request BDE-047S 2,2',4,4'-Tetrabromodiphenyl ether,50µg/ml IO, 1ml Price on request