Cefodizime Impurity 6 CAS 97180-26-2
| CAS No. | 97180-26-2 |
| Molecular Formula | C20H20N6O7S4 |
| Molecular Weight | 584.67 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
As a process- or degradation-related impurity, Cefodizime Impurity 6 (CAS 97180-26-2, C20H20N6O7S4) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C20H20N6O7S4, Cefodizime Impurity 6 contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 584.67 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).
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.
Physical & Chemical Properties
| Molecular Formula | C20H20N6O7S4 |
| Molecular Weight | 584.67 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 4 |
Related Cefodizime Standards
- Cefodizime Impurity 24 (CAS CATO-C4X-180624)
- Cefodizime Impurity 5 (CAS 120533-30-4)
- Cefodizime Impurity 7 (CAS CATO-C4X-18067)
- Cefodizime (CAS 69739-16-8)
- Cefodizime Impurity 23 (CAS CATO-C4X-180623)
- Cefodizime Impurity 4 (CAS CATO-C4X-18064)
- Cefodizime Oxide Impurity 1 (CAS CATO-C4X-18068)
- Cefodizime Impurity 13 (CAS CATO-C4X-180613)
Recommended Standards
- PD 176252 (CAS 204067-01-6)
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- Ald-CH2-PEG10-Boc (CAS 2353410-05-4)
- Cefotaxime Impurity 29 (CAS CATO-C4X-120129)
- Cefprozil Impurity 41 (CAS CATO-C4X-149241)
- Ruxolitinib Impurity 22 (CAS CATO-C4X-205822)
- Tris[2-(1H-pyrazol-1-yl)phenyl]cobalt (CAS 62572-61-6)
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- 2-Chloro-5-(dibromomethyl)-1,3-thiazole (CAS 2092310-61-5)
- 2-Hexadecyl-1-eicosanol (CAS 17658-63-8)
- Methyl 2-chloro-6-fluorobenzoate (CAS 151360-57-5)
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