Oseltamivir Impurity 260 CAS 221386-93-2
Purity 95%In StockPharmacopoeial Impurity Standards
| CAS No. | 221386-93-2 |
| Molecular Formula | C11H16O5 |
| Molecular Weight | 228.24 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Oseltamivir Impurity 260 (CAS 221386-93-2), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H16O5. Molecular weight: 228.24 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H16O5 |
| Molecular Weight | 228.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 95% |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2020 |
Related Oseltamivir Standards
- Oseltamivir Impurity 78 (CAS CATO-C4X-172078)
- Oseltamivir Impurity 79 (CAS CATO-C4X-172079)
- Oseltamivir Impurity 101 (CAS CATO-C4X-1720101)
- Oseltamivir Impurity 121 (CAS CATO-C4X-1720121)
- Oseltamivir Impurity 140 (CAS 1246620-91-6)
- Oseltamivir impurity 63 (CAS CATO-C4X-1720263)
- Oseltamivir EP Impurity D (CAS 1346604-18-9)
- Oseltamivir Impurity 59 (CAS 722-97-4)
Recommended Standards
- Telmisartan Impurity 31 (CAS 158144-54-8)
- Bisoprolol Impurity 117 (CAS 853233-62-2)
- Abemaciclib Impurity 37 (CAS CATO-C4X-293737)
- Fluocortolone Impurity 11 (CAS CATO-C4X-223011)
- Trelagliptin Impurity 15 (CAS CATO-C4X-104615)
- 8-Azaspiro[4.5]Decane-2-carboxylic acid (CAS 1508135-36-1)
- Darolutamide Impurity 49 (CAS CATO-C4X-310649)
- N-([1,1'-Biphenyl]-2-yl)-2-((4-ethyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 482639-76-9)
- N-(1,3-bis(1H-benzo[d][1,2,3]triazol-1-yl)propyl)benzamide (CAS 301343-99-7)
- Semaglutide Impurity 4 (CAS CATO-C4X-22264)
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