Niobium(V) oxalate hydrate Price Not Available 25g Niobium(V) oxalate hydrate Supplier Page Catalog Number BD434797 Molecular Formula C10H2Nb2O21 CAS# 21348-59-4 Purity 98% SMILES O=C([O-])C([O-])=O.O=C([O-])C([O-])=O.O=C([O-])C([O-])=O.O=C([O-])C([O-])=O.O=C([O-])C([O-])=O.[H]O[H].[Nb+5].[Nb+5] Size 25g Supplier Page http://www.bldpharm.com/products/21348-59-4.html