Copper (Cu) Back Catalog number: 50743 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674814 Prothoate, 10mg Price on request 675021 PSA-Mix 9 Price on request 0205.30-200-T Tetrabenz[a,c,h,j]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 215-11-2 Price on request