Copper (Cu) Back Catalog number: 57729 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79553 Octachloronaphthalene Price on request 2414.15-K-5AC 4-n-Nonylphenol-2,3,5,6-d4-OD, 1000µg/mL, Solvent-acetone, Unit 5mL, # of units-1, Cas.no. 358730-95-7 Price on request 58282 Lead (Pb) Price on request