Flumethasone Impurity 7 CAS 28400-50-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28400-50-2 |
| Molecular Formula | C22H26F2O4 |
| Molecular Weight | 392.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Flumethasone Impurity 7 (CAS 28400-50-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H26F2O4. Molecular weight: 392.44 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H26F2O4 |
| Molecular Weight | 392.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1965 |
| Halogen Content | F-containing |
Related Flumethasone Standards
- Flumethasone Impurity 1 (CAS 60895-22-9)
- Flumethasone Methyl (CAS CATO-C4X-19106)
- Flumethasone (CAS 2135-17-3)
- Flumethasone-d3 (CAS CATO-CCAD303315)
- Flumethasone Impurity 3 (CAS CATO-C4X-19103)
- Flumethasone Impurity 4 (CAS CATO-C4X-19104)
- Flumethasone Impurity 5 (CAS CATO-C4X-19105)
- Flumethasone Acetate (CAS 2823-42-9)
Recommended Standards
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- N-(4-fluorophenyl)-4-methyl-N-(2-morpholino-2-oxoethyl)benzenesulfonamide (CAS 333451-71-1)
- (4-Benzhydrylpiperazin-1-yl)(2,6-difluorophenyl)methanone (CAS 496054-70-7)
- Methyl 3-(benzylthio)-2-methylpropanoate (CAS 5331-04-4)
- (3,4-Difluoro-5-(trifluoromethyl)phenyl)boronic acid (CAS 864759-64-8)
- N-methyl-2-(trifluoromethyl)quinolin-4-amine (CAS 1250329-02-2)
- 1-Fluoro-7-iodonaphthalene (CAS 1261684-00-7)
- Domperidone Impurity 19 (CAS 53786-42-8)
- 6-Bromo-[1,1'-biphenyl]-3-amine (CAS 1036750-83-0)
- Neuropeptide SF (human) (CAS 192387-39-6)
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