Oseltamivir EP Impurity E CAS 208720-71-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 208720-71-2 |
| Molecular Formula | C15H26N2O4 |
| Molecular Weight | 298.38 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Oseltamivir EP Impurity E (CAS 208720-71-2) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C15H26N2O4. Molecular weight: 298.38 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C15H26N2O4 |
| Molecular Weight | 298.38 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2016 |
| Nitrogen Atoms | 2 |
Related Oseltamivir Standards
- Oseltamivir Impurity 166 (CAS 204254-98-8)
- Oseltamivir Impurity 244 (CAS CATO-C4X-1720244)
- Oseltamivir Impurity 123 (CAS CATO-C4X-1720123)
- Oseltamivir Impurity 163 (CAS CATO-C4X-1720163)
- Oseltamivir Impurity 138 (CAS CATO-C4X-1720138)
- Oseltamivir impurity N1 (CAS 1268086-96-9)
- Oseltamivir Impurity 93 (CAS CATO-C4X-172093)
- Oseltamivir Impurity 124 (CAS CATO-C4X-1720124)
Recommended Standards
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- 2-(3-(3-Chlorobenzyl)-3,4-dihydrobenzo[4,5]imidazo[1,2-a][1,3,5]triazin-1(2H)-yl)ethan-1-ol (CAS 869715-94-6)
- (3-Fluoro-phenyl)-methanesulfonyl chloride (3-fluorophenyl)methanesulfonyl chloride (3-fluorophenyl)methanesulphonyl chloride 24974-72-9 3-(fluorophenyl)methanesulfonyl chloride 3-fluorobenzylsulphonyl chloride benzenemethanesulfonyl chloride, 3-fluoro- (CAS 24974-72-9)
- 2',5'-Difluoro-[1,1'-biphenyl]-3-ol (CAS 1261889-63-7)
- Insulin Degludec Impurity 25 (CAS CATO-C4X-215725)
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