Iohexol impurity 41 CAS CATO-C4X-166441
| CAS No. | CATO-C4X-166441 |
| Molecular Formula | C32H38I6N6O13 |
| Molecular Weight | 1476.10 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 Iohexol impurity 41.
Iohexol impurity 41 (CAS CATO-C4X-166441) is a certified pharmaceutical impurity reference standard with the molecular formula C32H38I6N6O13 and a molecular weight of 1476.10 g/mol.
Iohexol impurity 41 (C32H38I6N6O13) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, iodine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C32H38I6N6O13 |
| Molecular Weight | 1476.10 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | I-containing |
| Nitrogen Atoms | 6 |
Related Iohexol Standards
- Iohexol impurity 44 (CAS CATO-C4X-166444)
- Iohexol Impurity 28 (CAS 92339-10-1)
- 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 50 (CAS CATO-C4X-166450)
- Iohexol EP Impurity N (CAS CATO-C4X-166410)
Recommended Standards
- Iodixanol EP Impurity E (CAS 255376-57-9)
- TPB812-CHO (CAS 2410998-40-0)
- Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asu-Asp-Ala-Gly-Leu-Val (CAS CATO-CPTD789033)
- [DPro2,DPhe7,DTrp9] Substance P (CAS 77275-70-8)
- Mianserin impurity 34 (CAS 38869-02-2)
- Salbutamol Impurity 112 (CAS CATO-C4X-1176112)
- Abiraterone Impurity 59 (CAS CATO-C4X-107059)
- Methyl 3H-pyrazolo[3,4-c]pyridine-5-carboxylate (CAS 868552-25-4)
- 7,7-Difluoro-3-azabicyclo[4.1.0]Heptane hemioxalate (CAS 2387601-12-7)
- Benzyl 2-((2-((4-chlorophenyl)amino)-2-oxoethyl)thio)-1H-benzo[d]imidazole-1-carboxylate (CAS 847231-83-8)
- 1-(2,5-Dimethylbenzenesulfonyl)piperazine (CAS 524711-33-9)
- Fluticasone Impurity 66 (CAS 185536-05-4)
- 3,5-Dibromo-2-(prop-2-yn-1-yloxy)benzaldehyde (CAS 792945-72-3)
- Insulin Pork(≥27 USP units/mg) (CAS 12584-58-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com