Oseltamivir Impurity 45 CAS CATO-C4X-172045
| CAS No. | CATO-C4X-172045 |
| Molecular Formula | C22H32N2O9 |
| Molecular Weight | 468.50 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C22H32N2O9, Oseltamivir Impurity 45 contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 468.50 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies Oseltamivir Impurity 45 (CAS CATO-C4X-172045), a pharmacopoeial impurity reference standard (molecular formula C22H32N2O9, MW 468.50 g/mol) used for the identification and quantification of trace impurities in APIs.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Oseltamivir Impurity 45 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C22H32N2O9 |
| Molecular Weight | 468.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 2 |
Related Oseltamivir Standards
- Oseltamivir Impurity 251 (CAS CATO-C4X-1720251)
- Oseltamivir fructose adduct impurity 91 (CAS CATO-C4X-1720291)
- Oseltamivir Impurity 167 (CAS CATO-C4X-1720167)
- Oseltamivir Impurity 168 (CAS CATO-C4X-1720168)
- Oseltamivir Glucose Adduct 1 (CAS CATO-C4X-1720182)
- Oseltamivir Glucose Adduct 23 (CAS CATO-C4X-172023)
- Oseltamivir impurity 234 (CAS CATO-C4X-1720234)
- Oseltamivir Impurity 252 (CAS CATO-C4X-1720252)
Recommended Standards
- Finerenone Impurity 247 (CAS CATO-C4X-2880247)
- Lincomycin Impurity 10 (CAS CATO-C4X-134210)
- Boc-Lys(Fmoc)-OH (CAS 84624-27-1)
- Clindamycin Impurity 74 (CAS CATO-C4X-134174)
- Scopolamine Impurity 29 (CAS CATO-C4X-195829)
- Duloxetine Impurity 44 Oxalate (CAS 116817-28-8)
- Lornoxicam Impurity 32 (CAS CATO-C4X-201632)
- Methyl 3-hydroxyhexanoate (CAS 21188-58-9)
- Methyl 4-(4-hydroxyphenyl)-2,4-dioxobutanoate (CAS 39757-33-0)
- 2-Neopentylquinazolin-4(1H)-one (CAS 13193-68-5)
- 3-Bromo-6-chlorophenanthrene (CAS 892550-44-6)
- (4S,5S)-octane-4,5-diamine (CAS 138812-22-3)
- Des(1-cyclohexanol) Venlafaxine-d6 (CAS 1330046-00-8)
- Neuroendocrine Regulatory Peptide-1 (rat) (CAS 954420-51-0)
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 18665070610 / Nicole.chen@cato-chem.com