16alpha-Methyl Prednisolone 21-Acetate CAS 13209-52-4
| CAS No. | 13209-52-4 |
| Molecular Formula | C24H32O6 |
| Molecular Weight | 416.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 416.51 g/mol gives 16alpha-Methyl Prednisolone 21-Acetate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
16alpha-Methyl Prednisolone 21-Acetate (CAS 13209-52-4) is a high-purity analytical reference standard with the molecular formula C24H32O6 and a molecular weight of 416.51 g/mol.
16alpha-Methyl Prednisolone 21-Acetate (C24H32O6) contains a flavonoid core, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 16alpha-Methyl Prednisolone 21-Acetate 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 | C24H32O6 |
| Molecular Weight | 416.51 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
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