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 680862 D7-Atrazine-desethyl, 10mg Price on request 677259 Pyrazophos, 10.0 µg/ml, Acetonitrile, 10ml Price on request 680367 Chrysene, 100 µg/ml, Acetonitrile, 1ml Price on request