Oseltamivir Impurity 21 CAS 1132659-99-4
Purity ≥95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1132659-99-4 |
| Molecular Formula | C17H29NO7S |
| Molecular Weight | 391.48 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Oseltamivir Impurity 21 (CAS 1132659-99-4) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C17H29NO7S. Molecular weight: 391.48 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C17H29NO7S |
| Molecular Weight | 391.48 g/mol |
| Purity | ≥95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Oseltamivir Standards
- Oseltamivir Impurity 93 (CAS 651324-09-3)
- Oseltamivir Impurity 39 (CAS CATO-C4X-172039)
- Oseltamivir Impurity 91 (CAS CATO-C4X-172091)
- Oseltamivir Impurity 139 (CAS CATO-C4X-1720139)
- Oseltamivir Impurity 129 (CAS CATO-C4X-1720129)
- Oseltamivir impurity 271 (CAS CATO-C4X-1720271)
- Oseltamivir Impurity 24 (CAS 1132659-96-1)
- Oseltamivir Impurity 250 (CAS CATO-C4X-1720250)
Recommended Standards
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- Protein Kinase C (19-36) Peptide (CAS 113731-96-7)
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