Cytarabine Impurity 10 CAS CATO-C4X-200510
| CAS No. | CATO-C4X-200510 |
| Molecular Formula | C10H16N2O6 |
| Molecular Weight | 260.24 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
Cytarabine Impurity 10 (CAS CATO-C4X-200510) is a certified pharmaceutical impurity reference standard with the molecular formula C10H16N2O6 and a molecular weight of 260.24 g/mol.
Cytarabine Impurity 10 (C10H16N2O6) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, 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).
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 | C10H16N2O6 |
| Molecular Weight | 260.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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 |
| Nitrogen Atoms | 2 |
Related Cytarabine Standards
- Cytarabine Impurity 17 (CAS 69321-95-5)
- Cytarabine Impurity 11 (CAS CATO-C4X-200511)
- Cytarabine Impurity 18 (Cytidine N3-Oxide) (CAS 3310-47-2)
- Cytarabine Impurity 8 (CAS 58461-29-3)
- Cytarabine Impurity N3 (CAS 30902-36-4)
- Cytarabine Impurity 7 (CAS 32659-31-7)
- Cytarabine Impurity 23 (CAS CATO-C4X-200523)
- Cytarabine EP Impurity I (CAS 6829-31-8)
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