Dexamethasone EP Impurity C CAS 426-17-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 426-17-5 |
| Molecular Formula | C22H31FO5 |
| Molecular Weight | 394.48 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Dexamethasone EP Impurity C (CAS 426-17-5) pharmacopoeial impurity standards reference standard. Molecular formula: C22H31FO5. Molecular weight: 394.48 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C22H31FO5 |
| Molecular Weight | 394.48 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
Related Dexamethasone Standards
- Dexamethasone-d3 (CAS CATO-CCAD301835)
- Dexamethasone Impurity 116 (CAS 107419-73-8)
- Dexamethasone-d4 (CAS 50-02-2(Unlabelled))
- Dexamethasone-4¸6α¸21¸21-[d4] (CAS 2483831-63-4)
- Dexamethasone (CAS 50-02-2)
- Dexamethasone EP Impurity A (CAS CATO-C4X-11651)
- Dexamethasone Impurity 62 (CAS CATO-C4X-116562)
- Dexamethasone impurity 67 (CAS CATO-C4X-116567)
Recommended Standards
- Ethyl 2-((3-(4-fluorophenyl)-4-oxo-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)butanoate (CAS 687562-47-6)
- Betamethasone Impurity 86 (CAS 560-34-9)
- 3-Hydroxy Dexamethasone (Alpha/Beta-Mixture) (CAS 922713-68-6)
- Roflumilast Impurity 49 (CAS CATO-C4X-108449)
- Olaparib Impurity 35 (CAS CATO-C4X-113535)
- 4-((Diisopropylamino)methyl)benzenethiol (CAS 1443329-51-8)
- (2-Bromo-1,1-difluoroethyl)benzene (CAS 108661-89-8)
- Dimethyl 2,2'-((oxybis(1,1,2,2-tetrafluoroethane-2,1-diyl))bis(oxy))bis(2,2-difluoroacetate) (CAS 35910-59-9)
- GSK2801 (CAS 1619994-68-1)
- Des-Phe22-Tirzepatide (CAS CATO-CPTD788951)
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