Zinc tungsten oxide, 99.9% (metals basis) CAS 13597-56-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 13597-56-3 |
| Molecular Formula | O4WZn |
| Molecular Weight | 313.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Zinc tungsten oxide, 99.9% (metals basis) (CAS 13597-56-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: O4WZn. Molecular weight: 313.25 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | O4WZn |
| Molecular Weight | 313.25 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.) | 1960 |
Related Zinc Standards
- Tungsten(IV) chloride (CAS 13470-13-8)
- Tungsten dichloride (CAS 13520-76-8)
- Tungsten diselenide (CAS 12067-46-8)
- Tungsten(IV) Sulfide (CAS 12138-09-9)
- Tungsten(V) dichloride triethoxide, 10% w/v in ethanol (CAS 45000-93-9)
- Tungsten(VI) oxide (CAS 1314-35-8)
- Tungsten(VI) chloride (CAS 13283-01-7)
- Tungsten(IV) oxide (CAS 12036-22-5)
Recommended Standards
- 1-(2-Fluorophenyl)-3-(2-methyl-6-(trifluoromethyl)pyridin-3-yl)urea (CAS 1227955-07-8)
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- 1-(4-Fluorophenyl)-3-(2-methyl-6-(trifluoromethyl)pyridin-3-yl)urea (CAS 1227954-98-4)
- 1-(Methoxymethyl)-1H-pyrrole-2-carboxylic acid (CAS 172805-62-8)
- 3-(2-Chlorophenyl)-1-methyl-5-phenyl-4-propoxy-1H-pyrazole (CAS 60627-69-2)
- 2-(Benzylamino)-2-phenylacetic acid (CAS 1859-51-4)
- Methyl 6-bromo-[1,2,4]triazolo[4,3-a]pyridine-8-carboxylate (CAS 2349371-98-6)
- 7-Chloro-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazine (CAS 1260667-70-6)
- Abaloparatide Cyclo Asp impurity (CAS CATO-C4X-35042)
- Semaglutide impurity 47 (CAS CATO-C4X-222647)
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