21-Dehydro Flumethasone CAS 65751-65-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 65751-65-7 |
| Molecular Formula | C22H26F2O5 |
| Molecular Weight | 408.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
21-Dehydro Flumethasone (CAS 65751-65-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H26F2O5. Molecular weight: 408.44 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H26F2O5 |
| Molecular Weight | 408.44 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 |
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Recommended Standards
- 2,3,6,7,10,11-Hexamethoxytriphenylene (CAS 808-57-1)
- Eicosane, 1-iodo (CAS 34994-81-5)
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- 2-((3,4-Dimethylcyclohexyl)amino)-N,N-dimethylacetamide (CAS 1342347-81-2)
- (E)-2-(2-(Benzo[d][1,3]dioxol-5-yl)vinyl)-6-chloroquinazolin-4(3H)-one (CAS 922189-63-7)
- 3-Methoxy-4-methyl-4,5,6,7-tetrahydroisoxazolo[4,5-c]pyridine (CAS 113932-54-0)
- 4-Azaindole-3-carboxylic acid, 97% (CAS 860496-20-4)
- 3-Cyclohexyl-7-iodo-[1,2,4]triazolo[4,3-a]pyridine (CAS 1057393-73-3)
- 1-Ethyl-6-hydroxy-4-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 28141-13-1)
- Semaglutide impurity 211 (CAS CATO-C4X-2226211)
Why CATO?
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