Favipiravir Desfluoro Impurity CAS 55321-99-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 55321-99-8 |
| Molecular Formula | C5H5N3O2 |
| Molecular Weight | 139.11 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Favipiravir Desfluoro Impurity (CAS 55321-99-8) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C5H5N3O2. Molecular weight: 139.11 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C5H5N3O2 |
| Molecular Weight | 139.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 3 |
Related Favipiravir Standards
- Favipiravir Impurity 17 (CAS 1137606-76-8)
- Favipiravir Impurity 7 (CAS 356783-31-8)
- Favipiravir Impurity 11 (CAS 6863-74-7)
- Favipiravir Impurity 14 (CAS 55557-52-3)
- Favipiravir Impurity 6 (CAS 356783-28-3)
- Favipiravir Deoxy Impurity (CAS 356783-47-6)
- Favipiravir Impurity 28 (CAS 36070-86-7)
- Favipiravir Impurity 43 (CAS 859064-07-6)
Recommended Standards
- 3-Hydroxy-2-pyridinecarboxylic Acid (CAS 874-24-8)
- 2-Amino-5-nitropyridine (CAS 4214-76-0)
- Nicotinic Acid-6-Hydroxy (CAS 5006-66-6)
- Cefcapene Impurity 60 (CAS CATO-C4X-182460)
- Tiotropium Bromide Impurity 32 (CAS 1570-95-2)
- Mal-PEG8-Boc (CAS 2055048-43-4)
- 2-Allyl-6-phenyl-5-(piperidin-1-yl)pyridazin-3(2H)-one (CAS 861208-96-0)
- 2-Chloro-3-methylbenzenethiol (CAS 90825-53-9)
- 3-Ethyl-3-methylcyclobutane-1-carboxylic acid (CAS 66016-23-7)
- KALA Amphipathic Peptide (CAS 187987-64-0)
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