Copper (Cu) Back Catalog number: 59259 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 60010 High Concentration Mix #3 Price on request 10223.14-K-ME n-Heptyl 4-hydroxybenzoate, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1085-12-7 Price on request 679882 4-Chloroaniline, 100 µg/ml, Acetonitrile, 5ml Price on request