Tungsten(VI) oxide CAS 1314-35-8
| CAS No. | 1314-35-8 |
| Molecular Formula | O3W |
| Molecular Weight | 231.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an inorganic composition, Tungsten(VI) oxide is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 231.84 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
Tungsten(VI) oxide (CAS 1314-35-8) is a high-purity analytical reference standard with the molecular formula O3W and a molecular weight of 231.84 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Tungsten(VI) oxide 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.
Physical & Chemical Properties
| Molecular Formula | O3W |
| Molecular Weight | 231.84 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.) | 1957 |
Related Tungsten Standards
- Tungsten(IV) oxide (CAS 12036-22-5)
- Tungsten(IV) oxide (99.9+%-W) (WO2.9 Blue Sub-oxide) (CAS 12037-58-0)
- Tungsten(IV) Sulfide (CAS 12138-09-9)
- Tungsten carbide (CAS 12070-12-1)
- Tungsten boride (WB) (CAS 12007-09-9)
- 14265-83-9 Tungsten, isotope of mass 186 Tungsten-186 186W (CAS 14265-83-9)
- 14265-82-8 Tungsten, isotope of mass 184 Tungsten-184 184W (CAS 14265-82-8)
- 14265-80-6 Tungsten, isotope of mass 182 Tungsten-182 182W (CAS 14265-80-6)
Recommended Standards
- (2-Bromo-5-methoxypyridin-4-yl)boronic acid (CAS 1072952-48-7)
- (5-Bromo-6-methoxypyridin-3-yl)boronic acid (CAS 1441734-46-8)
- (3-Bromo-2-methoxypyridin-4-yl)boronic acid (CAS 1072946-00-9)
- (4-Bromo-2-methoxypyridin-3-yl)boronic acid (CAS 2096338-00-8)
- Ethyl 8-chloro-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylate (CAS 131776-02-8)
- 6-Methyl-N4-(tetrahydro-2H-pyran-4-yl)pyrimidine-2,4,5-triamine (CAS 1184919-33-2)
- 6-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine (CAS 1558927-43-7)
- Ethyl (Z)-2-(6,7-dimethoxy-3,3-dimethyl-3,4-dihydroisoquinolin-1(2H)-ylidene)acetate (CAS 289054-98-4)
- (3-Bromophenyl)(3,5-dimethoxyphenyl)methanone (CAS 951892-07-2)
- 3-Fluoro-4,9-dimethoxy-7-methyl-5H-furo[3,2-g]chromen-5-one (CAS 114340-20-4)
- Methyl 7-aminofuro[2,3-b]pyrazine-6-carboxylate (CAS 181283-94-3)
- 3-(2-Methylpropyl)-1H-1,2,4-triazole (CAS 40515-29-5)
- 1,1'-(6-Nitropyridine-2,4-diyl)bis(ethan-1-one) (CAS 1393567-95-7)
- Des-Gln24-Tirzepatide (CAS CATO-CPTD788949)
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 18665070610 / Nicole.chen@cato-chem.com