Copper (I) Chloride is widely used as reagent in chemical and pharmaceutical synthesis.

Citric acid is a common ingredient in pharmaceutical formulations. It finds use in antacids and dentrifices because of the effervescent effect it generates upon combination with carbonates or bicarbonates. Citric acid may also be used as a buffering agent and it assists in the dispersion of suspensions in order to ensure the stability of the active ingredients and enhance the efficacy of antioxidants.

Copper (II) Nitrate is widely used as reagent in chemical and pharmaceutical synthesis.

Copper (II) Oxide is widely used as reagent in chemical and pharmaceutical synthesis.