Fluocinolone Acetonide EP Impurity B CAS 65751-34-0
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 65751-34-0 |
| Molecular Formula | C23H28F2O6 |
| Molecular Weight | 438.46 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Fluocinolone Acetonide EP Impurity B (CAS 65751-34-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C23H28F2O6. Molecular weight: 438.46 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C23H28F2O6 |
| Molecular Weight | 438.46 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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 |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | F-containing |
Related Fluocinolone Standards
- Fluocinolone Acetonide Impurity 46 (CAS CATO-C4X-238146)
- Fluocinolone Acetonide EP Impurity E (CAS 68352-03-4)
- Fluocinolone Acetonide Impurity 42 (CAS 3793-12-2)
- Fluocinolone Acetonide Impurity 16 (CAS CATO-C4X-238116)
- Fluocinolone Acetonide EP Impurity D (CAS 13242-30-3)
- Fluocinolone Acetonide EP Impurity I (CAS CATO-C4X-23819)
- Fluocinolone Acetonide Impurity 38 (CAS CATO-C4X-238138)
- Fluocinolone Acetonide Impurity 41 (CAS CATO-C4X-238141)
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