Dexamethasone pentadecanoate CAS CATO-C4X-116577
| CAS No. | CATO-C4X-116577 |
| Molecular Formula | C37H57FO6 |
| Molecular Weight | 616.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| 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 Dexamethasone pentadecanoate.
Dexamethasone pentadecanoate (CAS CATO-C4X-116577), molecular formula C37H57FO6 and molecular weight 616.84 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Dexamethasone pentadecanoate (C37H57FO6) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, a polycyclic aromatic system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
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 | C37H57FO6 |
| Molecular Weight | 616.84 g/mol |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
Related Dexamethasone Standards
- Dexamethasone Impurity 105 (CAS CATO-C4X-1165105)
- Dexamethasone Impurity 106 (CAS CATO-C4X-1165106)
- Dexamethasone impurity 24 (CAS CATO-C4X-1165124)
- Dexamethasone tetradecanoate (CAS CATO-C4X-116573)
- Dexamethasone Impurity 101 (CAS CATO-C4X-1165101)
- Dexamethasone Impurity 99 (CAS CATO-C4X-116599)
- Dexamethasone 21-Palmitate (CAS 14899-36-6)
- Dexamethasone Impurity 126 (CAS CATO-C4X-1165126)
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Why CATO?
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