Copper (Cu) - 7 PPM Back Catalog number: 50744 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73507 Carisoprodol Price on request 678663 S-Metolachlor Metabolite CGA 37735, 100mg Price on request 2135.21-K-IO Tri-o-tolylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78-30-8 Price on request