Favipiravir Impurity 33 CAS 81411-78-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 81411-78-1 |
| Molecular Formula | C5H3N3O |
| Molecular Weight | 121.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Favipiravir Impurity 33 (CAS 81411-78-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C5H3N3O. Molecular weight: 121.10 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C5H3N3O |
| Molecular Weight | 121.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 3 |
Related Favipiravir Standards
- Favipiravir Impurity 32 (CAS 1207614-48-9)
- Favipiravir Impurity 12 (CAS 62009-47-6)
- Favipiravir Impurity 29 (CAS 33870-92-7)
- Favipiravir Impurity 17 (CAS 1137606-76-8)
- Favipiravir Impurity 7 (CAS 356783-31-8)
- Favipiravir Desfluoro Impurity (CAS 55321-99-8)
- Favipiravir Impurity 11 (CAS 6863-74-7)
- Favipiravir Impurity 14 (CAS 55557-52-3)
Recommended Standards
- D-Threose-4- (CAS 90913-09-0)
- Isoxazolo[3,4-d]pyrimidine (CAS 28648-19-3)
- D-Threose-2- (CAS 478506-49-9)
- 2-Ethyl-3-methoxypyrazine (CAS 25680-58-4)
- (2,3-Dichloro-4-methoxyphenyl)(thiophen-3-yl)methanone (CAS 55901-81-0)
- 5-Amino-3-(4-piperidyl)-1H-pyrazole (CAS 1325671-21-3)
- 1-[(5Z)-5-{[(4-methoxyphenyl)amino]methylidene}-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]pyrrolidine-2,5-dione (CAS 400076-20-2)
- 4-(4-Nitrobenzyl)-7-oxo-2-(trifluoromethyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 1135989-39-7)
- N1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-N2-(3-morpholinopropyl)oxalamide (CAS 900000-93-3)
- Anti-TF Antigen Peptide P30-1 trifluoroacetate salt (CAS 573664-50-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com