Copper (Cu) Back Catalog number: 57229 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0005.21-200-T 3-Methylcholanthrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 56-49-5 Price on request 0473.18-200-T 2,3,6,7-Tetramethylanthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 15254-25-8 Price on request 678454 Permethrin, 100 µg/ml, Acetonitrile, 5ml Price on request