2,2',3,4,4',5-Hexachlorobiphenyl (137) Back Catalog number: 66137 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11267.5-100-AN (E,Z)-Methomyl-d3 (N-methyl-d3),100 µg/mL,acetonitrile,1mL, Price on request 678213 Benzobicyclon, 100 µg/ml, Acetonitrile, 1ml Price on request G117254 Gabapentin-d10, 1mg Price on request