Oseltamivir Impurity 241 CAS CATO-C4X-1720241
| CAS No. | CATO-C4X-1720241 |
| Molecular Formula | C13H20O4 |
| Molecular Weight | 240.30 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Oseltamivir Impurity 241.
As a process- or degradation-related impurity, Oseltamivir Impurity 241 (CAS CATO-C4X-1720241, C13H20O4) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Oseltamivir Impurity 241 (C13H20O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
As a certified reference material (CRM), Oseltamivir Impurity 241 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C13H20O4 |
| Molecular Weight | 240.30 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, 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 |
Related Oseltamivir Standards
- Oseltamivir Impurity 29 (CAS CATO-C4X-172029)
- Oseltamivir Impurity 85 (CAS CATO-C4X-172085)
- Oseltamivir Impurity 89 (CAS 1234858-94-6)
- Oseltamivir Impurity 172 (CAS CATO-C4X-1720172)
- Oseltamivir Impurity 77 (CAS 136994-78-0)
- Oseltamivir Impurity 36 (CAS 212504-90-0)
- Oseltamivir Impurity 132 (CAS 162252-43-9)
- Oseltamivir Impurity 38 (CAS CATO-C4X-172038)
Recommended Standards
- Acetylcysteine EP Impurity A (CAS 56-89-3)
- Misoprostol EP Impurity F (CAS 41138-61-8)
- Tiotropium EP Impurity A (CAS 4746-63-8)
- Perindopril EP Impurity J (CAS 685523-06-2)
- Daptomycin Impurity 26 (CAS CATO-C4X-137826)
- Citalopram Impurity 64 (CAS CATO-C4X-110964)
- Mirogabalin Impurity 144 (CAS CATO-C4X-2924144)
- 2-Nitro-9H-carbazol-3-amine (CAS 60564-31-0)
- (1R,2R)-1,2-bis(4-bromophenyl)ethane-1,2-diamine (CAS 821766-67-0)
- Avibactam Impurity 30 (CAS 1416134-73-0)
- 3-((Butyl(methyl)amino)methyl)benzenethiol (CAS 1443348-42-2)
- 6,7-Dimethoxy-2-(trifluoromethyl)quinazolin-4(3H)-one (CAS 630422-44-5)
- 4-Amino-6-(trifluoromethyl)picolinaldehyde (CAS 1289101-67-2)
- Biotinyl-Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 1816258-36-2)
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