Methylprednisolone Sodium Phosphate - API Standards CAS 5015-36-1
| CAS No. | 5015-36-1 |
| Molecular Formula | C22H29O8P |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 475.43 g/mol gives Methylprednisolone Sodium Phosphate - API Standards distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Methylprednisolone Sodium Phosphate - API Standards (CAS 5015-36-1) is a high-purity analytical reference standard with the molecular formula C22H29O8PNa and a molecular weight of 475.43 g/mol.
Methylprednisolone Sodium Phosphate - API Standards (C22H29O8PNa) contains a flavonoid core, a phosphate ester group, 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 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 analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C22H29O8P 2*Na |
| Molecular Weight | 475.43 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) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Methylprednisolone Standards
- Methylprednisolone Impurity 72 (CAS 1012306-79-4)
- Methylprednisolone impurity 96 (CAS 103302-98-3)
- Methylprednisolone Impurity 57 (CAS 1048031-80-6)
- Methylprednisolone Acetate EP Impurity J (CAS 1048031-82-8)
- Methylprednisolone impurity 87 (CAS 105500-05-8)
- Methylprednisolone impurity 82 (CAS 106502-98-1)
- Methylprednisolone Acetate EP Impurity K (CAS 115321-98-7)
- Methylprednisolone Hydrogen Succinate EP Impurity D (CAS 119657-85-1)
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