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 71291 2,3,6-Trimethylnaphthalene Price on request 1569.18-250MG Norcodeine, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 467-15-2 Price on request 79144 bis(2-Ethylhexyl) phthalate, 1000µg/ml in Acetone, 1ml Price on request