Copper (Cu) Back Catalog number: 57129 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended P998904 Pyruvic Acid-13C3 Sodium Salt, 5mg Price on request C17000100 Sulfapyridine, certified, 0.25g Price on request 2270.3-1.5X20 Acetone, neat, Solvent-neat, Unit 1.5mL, # of units-20, Cas.no. 67-64-1 Price on request