Calcium Citrate, Tetrahydrate, Powder, USP, CAS Number 5785-44-4, Molecular Weight F.W. 570.50, Chemical Formula C12H10Ca3O14�4H2O, Chemical Container Material Plastic, Chemical Container Type Drum, Chemical Grade USP, Chemical Container Size 2.5 kg, Chemical Family Type Analytical Reagents, Shelf Life 24 mo