| CAS No. | 15847-24-2 |
| Molecular Formula | C21H30O5 |
| Molecular Weight | 362.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 362.46 g/mol gives Prednisolone 20alpha-Hydroxy Impurity distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Prednisolone 20alpha-Hydroxy Impurity (CAS 15847-24-2), a certified reference material (molecular formula C21H30O5, MW 362.46 g/mol) for analytical method development and quality control.
Based on its molecular formula C21H30O5, Prednisolone 20alpha-Hydroxy Impurity contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 362.46 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 is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Prednisolone 20alpha-Hydroxy Impurity 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.
| Molecular Formula | C21H30O5 |
| Molecular Weight | 362.46 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |