Iohexol Impurity 50 CAS CATO-C4X-166450
| CAS No. | CATO-C4X-166450 |
| Molecular Formula | C22H32I3N3O11 |
| Molecular Weight | 895.22 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Iohexol Impurity 50 (CAS CATO-C4X-166450) is a certified pharmaceutical impurity reference standard with the molecular formula C22H32I3N3O11 and a molecular weight of 895.22 g/mol.
Based on its molecular formula C22H32I3N3O11, Iohexol Impurity 50 contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 895.22 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.
As a certified reference material (CRM), Iohexol Impurity 50 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 | C22H32I3N3O11 |
| Molecular Weight | 895.22 g/mol |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | I-containing |
| Nitrogen Atoms | 3 |
Related Iohexol Standards
- Iohexol EP Impurity B (CAS 2732209-64-0)
- Iohexol EP Impurity C (CAS CATO-C4X-16643)
- Iohexol EP Impurity D (CAS 157739-09-8)
- Iohexol EP Impurity E (CAS 2727061-52-9)
- Iohexol Impurity 28 (CAS 92339-10-1)
- Iohexol EP Impurity N (CAS CATO-C4X-166410)
- Iohexol EP Impurity O (CAS CATO-C4X-166411)
- Iohexol EP Impurity P (CAS CATO-C4X-166412)
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- 81988-89-8 UH11FDQ454 Ramoplanin A(sub 3) Ramoplanin A3 (S)-2-(3-Chloro-4-hydroxyphenyl)-N-(N(sup 2)-((2Z,4Z)-8-methyl-2,4-nonadienoyl)-(S)-asparaginyl-(2S,3S)-3-hydroxyasparaginyl-(R)-2-(p-hydroxyphenyl)glycyl-(R)-ornithyl-(2R,3R)-allothreonyl-2-(p-hydroxyphenyl)glycyl-2-(p-hydroxyphenyl)glycyl-(2S,3S)-allothreonyl-(S)-phenylalanyl-(R)-ornithyl-(S)-2-(p-((2-O-alpha-D-mannopyranosyl-alpha-D-mannopyranosyl)oxy)phenyl)glycyl-(2R,3R)-allothreonyl-(S)-2-(p-hydroxyphenyl)glycylglycyl-(S)-leucyl-(R)-alanyl)glycine psi1-lactone Ramoplanin A 1 (peptide moiety), 1-(N(sup 2)-methyl-1-oxo-2,4-nonadienyl)-L-asparagine)-11-(L-2-(4-((2-O-alpha-D-mannopyranosyl-alpha-D-mannopyranosyl)oxy)phenyl)glycine)-, (Z,Z)- UNII-UH11FDQ454 (CAS 81988-89-8)
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