Fluocinolone Acetonide impurity 22 CAS CATO-C4X-238122
| CAS No. | CATO-C4X-238122 |
| Molecular Formula | C21H26F2O6 |
| Molecular Weight | 412.42 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 412.42 g/mol gives Fluocinolone Acetonide impurity 22 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
As a process- or degradation-related impurity, Fluocinolone Acetonide impurity 22 (CAS CATO-C4X-238122, C21H26F2O6) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C21H26F2O6, Fluocinolone Acetonide impurity 22 contains a flavonoid core, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 412.42 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), Fluocinolone Acetonide impurity 22 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 | C21H26F2O6 |
| Molecular Weight | 412.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
Related Fluocinolone Standards
- Fluocinolone Acetonide impurity 21 (CAS CATO-C4X-238121)
- Fluocinolone Acetonide EP Impurity C (CAS 807-38-5)
- Fluocinolone Acetonide Impurity N2 (CAS 3830-58-8)
- Fluocinolone Acetonide Impurity 43 (CAS 3802-45-7)
- Fluocinolone Acetonide EP Impurity F (CAS 1526-01-8)
- Fluocinolone Acetonide Impurity 47 (CAS 389119-98-6)
- Fluocinolone Acetonide EP Impurity E (CAS 68352-03-4)
- Fluocinolone Acetonide Impurity 46 (CAS CATO-C4X-238146)
Recommended Standards
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- Boc-asp(ochex)-osu (CAS 118534-86-4)
- Afoxolaner Impurity 16 (CAS 1190862-76-0)
- Abemaciclib Impurity 74 (CAS CATO-C4X-293774)
- Diquafosol Impurity 28 (CAS CATO-C4X-214928)
- Methoxy(triethyleneoxy)-undecyltrimethoxysilane (CAS 1858242-37-1)
- (5-Bromothiophen-2-yl)dimethylphosphine oxide (CAS 2361999-99-5)
- 4-(5-Formyl-4-methylpyridin-2-yl)piperazine-1-carbaldehyde (CAS 1355182-54-5)
- (3aR,4S,7R,7aS,8S)-8-((1,10-Phenanthrolin-4-yl)ethynyl)octahydro-1H-4,7-methanoisoindol-1-one (CAS 2416567-38-7)
- 1-(Aminomethyl)-4-methyl-2,3-dihydroinden-1-ol (CAS 1082268-41-4)
- Flucloxacillin EP Impurity B (CAS CATO-C4X-16472)
- Tirzepatide Impurity 58 (CAS CATO-C4X-324058)
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