Tungsten trioxide hydrate (3:1) CAS 78798-95-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 78798-95-5 |
| Molecular Formula | 3*O3W H2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Tungsten trioxide hydrate (3:1) (CAS 78798-95-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: 3*O3W H2O. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | 3*O3W H2O |
| Molecular Weight | 249.85 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.) | 1979 |
Related Tungsten Standards
- Tungsten boride (WB) (CAS 12007-09-9)
- Tungsten silicate hydrate (CAS 12027-43-9)
- Tungsten(IV) oxide (CAS 12036-22-5)
- Tungsten(IV) oxide (99.9+%-W) (WO2.9 Blue Sub-oxide) (CAS 12037-58-0)
- Tungsten silicide (CAS 12039-88-2)
- Tungsten diselenide (CAS 12067-46-8)
- Tungsten(IV) telluride(WTe2), 99.95% (CAS 12067-76-4)
- Tungsten carbide (CAS 12070-12-1)
Recommended Standards
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- Methyl 3-amino-4-((3-(dimethylamino)-3-oxopropyl)amino)benzoate (CAS 1292589-33-3)
- 2,6-Diethoxy-1,5-dihydroxyanthracene-9,10-dione (CAS 92453-57-1)
- 2-Bromo-N-methoxy-N-methylpyridine-3-carboxamide (CAS 1260913-24-3)
- Semaglutide impurity 60 (CAS CATO-C4X-222660)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com