Ammonium tungstate pentahydrate CAS 1311-93-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1311-93-9 |
| Molecular Formula | W 2*H4N 5*H2O 4*O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Ammonium tungstate pentahydrate (CAS 1311-93-9) pharmaceutical standards reference standard. Molecular formula: W 2*H4N 5*H2O 4*O. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | W 2*H4N 5*H2O 4*O |
| Molecular Weight | 235.89 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Freely soluble in water |
| Stability | Light-sensitive; avoid direct strong light |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Ammonium Standards
Recommended Standards
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- 4-ethynyl-2,6-difluoro-aniline (CAS 753501-37-0)
- Ethyl 3-((6-chloropyridazin-4-yl)oxy)propanoate (CAS 1346691-38-0)
- Chloro[(R)-(+)-2,2'-bis(di-p-tolylphosphino)-1,1'-binaphthyl](p-cymene)ruthenium(II) Chloride (CAS 1034001-51-8)
- 2-(4-Oxo-7-(trifluoromethyl)quinolin-1(4H)-yl)acetohydrazide (CAS 1209287-94-4)
- GR 64349 (CAS 137593-52-3)
- Semaglutide Impurity 185 (CAS CATO-C4X-2226185)
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