Ebastine Impurity 15 CAS CATO-C4X-202915
| CAS No. | CATO-C4X-202915 |
| Molecular Formula | C39H43NO4 |
| Molecular Weight | 589.76 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 Ebastine Impurity 15.
As a process- or degradation-related impurity, Ebastine Impurity 15 (CAS CATO-C4X-202915, C39H43NO4) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C39H43NO4, Ebastine Impurity 15 contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 589.76 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).
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
As a certified reference material (CRM), Ebastine Impurity 15 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 | C39H43NO4 |
| Molecular Weight | 589.76 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | ≥95% |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 1 |
Related Ebastine Standards
Recommended Standards
- Clarithromycin EP Impurity I (CAS 118058-74-5)
- Pimavanserin Impurity 48 (CAS CATO-C4X-193848)
- 3'-(Dibenzo[b,d]thiophen-4-yl)-10-phenyl-10H-spiro[acridine-9,9'-fluorene] (CAS 1467099-24-6)
- (3aS,4S,6aR)-Hexahydro-N-[6-[[6-[[2-(4-hydroxyphenyl)ethyl]amino]-6-oxohexyl]amino]-6-oxohexyl]-2-oxo-1H-thieno[3,4-d]imidazole-4-pentanamide (CAS 851113-28-5)
- Levothyroxine Impurity 53 (CAS CATO-C4X-167853)
- Sitagliptin Impurity 67 (CAS CATO-C4X-114467)
- Moxifloxacin Impurity 41(R,S) (CAS 855661-71-1)
- 2-Methoxy-N-methyl-1H-indol-6-amine (CAS 681464-31-3)
- Methyl (R)-3-((tert-butoxycarbonyl)amino)-4-iodobutanoate (CAS 310407-50-2)
- 6-((2,4-Dichlorobenzyl)oxy)pyridazin-3(2H)-one (CAS 87426-04-8)
- 3-(1,3-Dioxan-2-yl)-1-(5-fluoro-2-methylphenyl)propan-1-one (CAS 884504-39-6)
- (S)-1-(2-Cyanoethyl)pyrrolidine-2-carboxylic acid (CAS 36901-89-0)
- 4-(2-Fluorophenyl)piperidine (CAS 180161-17-5)
- Liraglutide Sodium Salt (CAS 204656-20-2（free base）)
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