Copper (Cu) Back Catalog number: 57129 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1391.30-1MG 17ß(H),21ß(H)-22-Hydroxyhopane, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 1721-59-1 Price on request 71878 2-Nonanone Price on request 682030 D3-Sulfamethoxypyridazine, 10.0 µg/ml, Methanol, Price on request