Copper (Cu) Back Catalog number: 57229 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71515 n-Pentyl acetate Price on request BCR-311 6-Nitrobenzo[a]pyrene, 10mg Price on request 2588.32-10UG Dibenzo[cd,n]naphtho[3,2,1,8-pqra]perylene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 109278-09-3 Price on request