Iobitridol Impurity 34 CAS CATO-C4X-317834
| CAS No. | CATO-C4X-317834 |
| Molecular Formula | C20H31N3O9 |
| Molecular Weight | 457.47 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, Iobitridol Impurity 34 (CAS CATO-C4X-317834, C20H31N3O9) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
The molecular framework of Iobitridol Impurity 34 (C20H31N3O9) is characterized by a flavonoid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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 | C20H31N3O9 |
| Molecular Weight | 457.47 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | ≥95% |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 3 |
Related Iobitridol Standards
- Iobitridol Impurity 31 (CAS CATO-C4X-317831)
- Iobitridol Impurity 33 (CAS CATO-C4X-317833)
- Iobitridol Impurity 3 (CAS CATO-C4X-31783)
- Iobitridol Impurity 22 (CAS CATO-C4X-317822)
- Iobitridol Impurity 25 (CAS CATO-C4X-317825)
- Iobitridol Impurity 28 (CAS CATO-C4X-317828)
- Iobitridol Impurity 1 (CAS CATO-C4X-31781)
- Iobitridol Impurity 10 (CAS CATO-C4X-317810)
Recommended Standards
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- Etrasimod (CAS 1206123-37-6)
- Baclofen impurity 24 (CAS 28311-34-4（Free Base）)
- Metoclopramide impurity 75 (CAS CATO-C4X-141575)
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- 4-(Difluoromethyl)-5-(hydroxymethyl)pyridine-2,3-diol (CAS 1805153-79-0)
- tert-Butyl (2-(3-oxopiperazin-1-yl)ethyl)carbamate (CAS 903587-80-4)
- 2-Hydroxy-3-phenyl-5-(trifluoromethyl)pyridine (CAS 1214369-72-8)
- 2-Cyclohexyl-4,5,6,7-tetrahydro-2H-pyrazolo[3,4-b]pyridin-3-ol (CAS 1707581-38-1)
- Mianserin impurity 45 (CAS CATO-C4X-136945)
- 3-Chloro-4-(4H-1,2,4-triazol-4-yl)benzoic acid (CAS 1060795-62-1)
- Tirzepatide Impurity 25 X TFA Salt (CAS CATO-C4X-324025)
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