| CAS No. | 314075-43-9 |
| Molecular Formula | 3*O4W |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO manufactures 314075-43-9 Sodium metatungstate hydrate Sodium polytungstate hydrate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
314075-43-9 Sodium metatungstate hydrate Sodium polytungstate hydrate (CAS 314075-43-9), molecular formula O4WO3WNaH2O and molecular weight 520.68 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula O4WO3WNaH2O, 314075-43-9 Sodium metatungstate hydrate Sodium polytungstate hydrate contains an inorganic composition; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 520.68 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
| Molecular Formula | 3*O4W 9*O3W 6*Na H2O |
| Molecular Weight | 520.68 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 2025 |