Citicoline Impurity 17 CAS CATO-C4X-220317
| CAS No. | CATO-C4X-220317 |
| Molecular Formula | C18H26N6O15P2 |
| Molecular Weight | 628.38 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 Citicoline Impurity 17.
As a process- or degradation-related impurity, Citicoline Impurity 17 (CAS CATO-C4X-220317, C18H26N6O15P2) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C18H26N6O15P2, Citicoline Impurity 17 contains a flavonoid core, an amide group, a phosphate ester group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 628.38 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H26N6O15P2 |
| Molecular Weight | 628.38 g/mol |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 6 |
Related Citicoline Standards
- Citicoline Impurity 16 (CAS CATO-C4X-220316)
- Citicoline Impurity 18 (CAS CATO-C4X-220318)
- Citicoline Impurity 109 (CAS 4421-58-3)
- Citicoline Impurity 7 (CAS 99492-83-8)
- Citicoline (CAS 987-78-0)
- Citicoline Impurity 8 (CAS 3036-18-8)
- Citicoline Impurity 6 (CAS 52448-10-9)
- Citicoline Impurity D Morpholidate (CAS 76742-18-2)
Recommended Standards
- (4R,4'R)-2,2'-(4-Chloropyridine-2,6-diyl)bis(4-(3,5-di-tert-butylphenyl)-4,5-dihydrooxazole) (CAS 2808461-10-9)
- 5,5'-(((Perfluoropropane-2,2-diyl)bis(4,1-phenylene))bis(oxy))bis(isobenzofuran-1,3-dione) (CAS 61778-79-8)
- Bromfenac Impurity N2 (CAS 1798431-98-7)
- 3,6-Bis[5-bromo-4-(2-ethylhexyl)-2-thienyl]-1,2,4,5-tetrazine (CAS 1260224-09-6)
- Valsartan Impurity 136 (CAS CATO-C4X-1057136)
- Ceftizoxime Impurity 7 (CAS CATO-C4X-17937)
- Lornoxicam Impurity 45 (CAS CATO-C4X-201645)
- Ethyl 1-(5-cyanopyrimidin-2-yl)piperidine-3-carboxylate (CAS 1707372-69-7)
- 1,2-Dihydropyrido[4,3-e][1,2,4]triazin-3-amine (CAS 754917-12-9)
- (4-((Methylsulfonyl)methyl)phenyl)boronic acid (CAS 959861-32-6)
- 130056-68-7 2-(Tributylstannyl)furan-3-carboxaldehyde MFCD09025794 (CAS 130056-68-7)
- 4-[2-[(2-Methylpropan-2-yl)oxy]-2-oxoethoxy]benzoic acid (CAS 161948-80-7)
- 2-(4-((Benzyl(methyl)amino)methyl)piperidin-1-yl)ethanamine (CAS 1353984-76-5)
- Semaglutide impurity 257 (CAS CATO-C4X-2226257)
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