11-Keto Flunisolide CAS 1997-76-8
Purity ≥95%In StockPharmaceutical Standards
| CAS No. | 1997-76-8 |
| Molecular Formula | C24H29FO6 |
| Molecular Weight | 432.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
11-Keto Flunisolide (CAS 1997-76-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H29FO6. Molecular weight: 432.48 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C24H29FO6 |
| Molecular Weight | 432.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | ≥95% |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
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Recommended Standards
- Triamcinolone Acetonide EP Impurity B (CAS 1260149-96-9)
- Fluticasone Impurity 54 (CAS 4571-51-1)
- VU6028418 (CAS 2649803-05-2)
- 7-Bromo-N-(2,2-difluoroethyl)-1-methyl-1H-indazol-3-amine (CAS 1626336-36-4)
- 2-((2-Carbamoylhydrazono)methyl)phenyl 2-oxo-2H-chromene-3-carboxylate (CAS 324580-60-1)
- 2-{2-[(difluoromethyl)sulfanyl]-4-methyl-1,3-thiazol-5-yl}acetic acid (CAS 1094316-49-0)
- 5-Chlorobenzofuran-2-carboxylic Acid (CAS 10242-10-1)
- 1-(6-(3,4-Dihydroisoquinolin-2(1H)-yl)pyridin-3-yl)propan-1-one (CAS 1355179-76-8)
- Isocorypalmine (CAS 53447-14-6)
- Semaglutide impurity 76 (CAS CATO-C4X-222676)
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