2,2',3,4',5',6-Hexachlorobiphenyl (149) Back Catalog number: 63149 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50012 Multi-Element Calibration Standard-2A Price on request 675856 Teflubenzuron, 100 µg/ml, Acetonitrile, 5ml Price on request 10587.28-K-IO Didecyl phthalate Price on request