Copper (Cu) Back Catalog number: 57429 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 32821 n-Nonane Price on request N-MEFBSA-M N-methylperfluoro-1-butanesulfonamide, 1.2ml x 50ug/ml, methanol Price on request 0603.27-100-IO alpha alpha alpha (20S)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 41083-75-4 Price on request