Ammonium tungstate Quick inquiry Where to buy Suppliers range Metal & Ceramic Materials. Alternative Names: 11140-77-5;Ammonium (para)tungstate hydrate; DTXSID20745380; PUBCHEM_71306883; H40N10O41W12; AKOS025311041; O200; Ammonium tungstate, 99.99% trace metals basis;Ammonium paratungstate, 99.99% trace metals basis. CAS No. 11140-77-5. Molecular formula: H40N10O41W12. Mole weight: 3042.429g/mol. IUPACName: azane;5, 7, 9, 11, 13, 15, 17, 19, 21, 23-decahydroxy-2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 25, 26, 27, 28, 29, 30, 31-nonadecaoxa-1λ6, 3λ6, 5λ6, 7λ6, 9λ6, 11λ6, 13λ6, 15λ6, 17λ6, 19λ6, 21λ6, 23λ6-dodecatungstaoctacyclo[21.1.1.11, 3.13, 5.17, 9.111, 13.115, 17.119, 21]hentriacontane 1,3,5,7,9,11,13,15,17,19,21,23-dodecaoxide. Canonical SMILES: N. N. N. N. N. N. N. N. N. N. O[W]12 (=O)O[W]3 (=O) (O[W] (=O) (O3) (O[W]4 (=O) (O[W] (=O) (O4) (O[W]5 (=O) (O[W]6 (=O) (O5)O[W]7 (=O) (O6)O[W] (=O) (O7) (O[W]8 (=O) (O[W] (=O) (O8) (O[W] (=O) (O1) (O2)O)O)O)O)O)O)O)O)O. Catalog: ACM11140775.