Zinc Citrate occurs as a white crystalline powder. It is slightly soluble in water, but soluble in hydrochloric acid solution. CAS No. : 5590-32-9; Molecular Formula: Zn3(C6H5O7)·2H2O; Molecular Weight: 610.36; Standard: USP/EP; Product Code: RC.03.04.192268 Features Boosts the Immune System. Decreases Risk of Preterm Birth. Supports Childhood Growth. Manages https://www.richen-nutritional.com/zinc-citrate-product/