Iopromide Impurity 11 CAS CATO-C4X-183211
| CAS No. | CATO-C4X-183211 |
| Molecular Formula | C14H15I3N2O7 |
| Molecular Weight | 703.99 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 703.99 g/mol gives Iopromide Impurity 11 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Iopromide Impurity 11 (CAS CATO-C4X-183211), a pharmacopoeial impurity reference standard (molecular formula C14H15I3N2O7, MW 703.99 g/mol) used for the identification and quantification of trace impurities in APIs.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, iodine substitution, Iopromide Impurity 11 is typically off-white to pale yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 703.99 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), Iopromide Impurity 11 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 | C14H15I3N2O7 |
| Molecular Weight | 703.99 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 | 2 |
Related Iopromide Standards
- Iopromide EP Impurity H (CAS 185459-57-8)
- Iopromide EP Impurity A (CAS 154361-51-0)
- Iopromide impurity 16 (CAS CATO-C4X-183216)
- Iopromide Impurity 18 (CAS 76350-03-3)
- Iopromide EP Impurity B (CAS 76350-28-2)
- Iopromide Impurity 9 (CAS 111453-32-8)
- Iopromide EP Impurity C (Mixture of Diastereomers) (CAS 154361-52-1)
- Iopromide Impurity 24 (CAS 1651211-76-5)
Recommended Standards
- Iomeprol Impurity 23 (CAS CATO-C4X-182023)
- Iopamidol EP Impurity D (CAS 87932-11-4)
- C16-18:1 PE (CAS 119904-40-4)
- CAS 2260669-87-0 (CAS 2260669-87-0)
- Tegoprazan Impurity 126 (CAS CATO-C4X-2297126)
- Rimegepant Impurity 34 (CAS CATO-C4X-248734)
- Tetrabenazine Impurity 70 (CAS 4602-83-9（free base）)
- 2-(2-(tert-Butoxy)ethoxy)ethanol (CAS 110-09-8)
- 2-Bromo-3-methoxypropanoic acid (CAS 65090-78-0)
- 2-{1H-pyrrolo[2,3-c]pyridin-3-yl}acetonitrile (CAS 1803591-96-9)
- 2-Chloro-3-methoxyphenol (CAS 72232-49-6)
- 4-Methyloxazol-2-amine (CAS 35629-70-0)
- 4-(Dimorpholinomethylene)-2-(p-tolyl)oxazol-5(4H)-one (CAS 61767-53-1)
- Semaglutide Impurity 191 (CAS CATO-C4X-2226191)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com