Ezetimibe Impurity C115 CAS 204589-96-8
| CAS No. | 204589-96-8 |
| Molecular Formula | C31H27F2NO2 |
| Molecular Weight | 483.56 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution, Ezetimibe Impurity C115 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 483.56 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Ezetimibe Impurity C115 (CAS 204589-96-8) is a certified pharmaceutical impurity reference standard with the molecular formula C31H27F2NO2 and a molecular weight of 483.56 g/mol.
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), Ezetimibe Impurity C115 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 | C31H27F2NO2 |
| Molecular Weight | 483.56 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Ezetimibe Standards
- Ezetimibe Impurity 57 (CAS CATO-C4X-109857)
- Ezetimibe Impurity 64 (CAS CATO-C4X-109864)
- Ezetimibe Impurity 65 (CAS CATO-C4X-109865)
- Ezetimibe Impurity 6 (CAS CATO-C4X-10986)
- Ezetimibe Impurity 7 (CAS CATO-C4X-10987)
- Ezetimibe diacetate (CAS 163380-20-9)
- Ezetimibe Impurity 12(Intermediate Isomer Impurity) (CAS CATO-C4X-109812)
- Ezetimibe Impurity 8 (CAS CATO-C4X-10988)
Recommended Standards
- Ivabradine impurity 62 (CAS CATO-C4X-111962)
- Z-Phe-Leu-Ala-OH (CAS 24955-29-1)
- N-(4-Hydroxy-3-(4-methylpiperazin-1-yl)phenyl)-2'-methyl-4'-(5-methyl-1,3,4-oxadiazol-2-yl)-[1,1'-biphenyl]-4-carboxamide (CAS 256227-77-7)
- Fluticasone Impurity 98 (CAS 709002-84-6)
- Cefminox Impurity 7 (CAS CATO-C4X-19267)
- Rivaroxaban Impurity 77 (CAS CATO-C4X-109077)
- Baxdrostat Impurity 36 (CAS 3063826-36-5)
- 4,6-Dimethyl-3-(2-methylbenzenesulfonyl)-2-[(2-methylpropyl)sulfanyl]pyridine (CAS 477864-70-3)
- 2-(Difluoromethyl)-5,6-difluoronicotinic acid (CAS 1804711-13-4)
- n-((1h-Imidazol-2-yl)methyl)-2-(o-tolyl)ethan-1-amine (CAS 1487822-36-5)
- (3-Methoxyphenyl)hydrazine Hydrochloride (CAS 39232-91-2)
- Ampicillin Impurity 29 (CAS CATO-C4X-144329)
- Azetidin-3-yl dimethylcarbamate (CAS 935730-62-4)
- Peptide Impurity 27 (CAS 1350456-68-6)
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