Copper - 20 PPM Back Catalog number: 50594 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676863 HHCB (Galaxolide), 25mg Price on request 10131.11-150-IO 2,3,6-Trimethylbenzothiophene, 150µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 91144-23-9 Price on request 3700.42-10-05ME 13-Desmethyl spirolide C, 10.2µM, Solvent-methanol, Unit 0.5mL, # of units-1, Cas.no. 334974-07-1 Price on request