Favipiravir CAS 259793-96-9
Purity >95%In StockPharmaceutical Standards
| CAS No. | 259793-96-9 |
| Molecular Formula | C5H4FN3O2 |
| Molecular Weight | 157.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Favipiravir (CAS 259793-96-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C5H4FN3O2. Molecular weight: 157.10 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C5H4FN3O2 |
| Molecular Weight | 157.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Favipiravir Standards
- Favipiravir Impurity 37 (CAS 259794-01-9)
- Favipiravir Impurity 20 (CAS 356783-49-8)
- Favipiravir Impurity 21 (CAS 1207609-52-6)
- Favipiravir Impurity 9 (CAS 1079990-21-8)
- Favipiravir Impurity 6 (CAS 1374986-27-2)
- Favipiravir Impurity 15 (CAS CATO-C4X-210215)
- Favipiravir Impurity 8 (CAS 356783-29-4)
- Favipiravir Impurity 43 (CAS 859064-07-6)
Recommended Standards
- 3-Fluoro-4-nitrophenol (CAS 394-41-2)
- Patulin-13C3 (CAS 748133-69-9)
- 5-Fluoro-2-nitrophenol (CAS 446-36-6)
- (3-Bromo-1-phenylpropyl)triphenylphosphonium bromide (CAS 21844-32-6)
- Amonafide (CAS 69408-81-7)
- 1-(4-Aminophenyl)-3-(1H-indol-4-yl)prop-2-en-1-one (CAS 1142214-52-5)
- n,n-Diethyl-2-methylpyrimidine-4-carboxamide (CAS 1280816-18-3)
- (7S,8S,9R,10R)-4-Amino-8,9-dihydroxy-7,8,9,10-tetrahydro-6H-7,10-epoxyazepino[1,2-e]purin-6-one (CAS 869355-06-6)
- Mycophenolate Mofetil EP Impurity A (CAS 1322681-36-6)
- Peptide Impurity 12 (CAS CATO-CPTD788812)
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