7,8-difluoro-3-nitroquinolin-4-ol CAS 1955498-39-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1955498-39-1 |
| Molecular Formula | C9H4F2N2O3 |
| Molecular Weight | 226.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7,8-difluoro-3-nitroquinolin-4-ol (CAS 1955498-39-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H4F2N2O3. Molecular weight: 226.14 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H4F2N2O3 |
| Molecular Weight | 226.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- Methyl 2,4-dinitrobenzoate (CAS 18959-17-6)
- (4-(Perfluoroethyl)phenyl)methanol (CAS 857297-30-4)
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- [(5-chloro-1,3-dimethyl-1H-pyrazol-4-yl)methyl](methyl)amine dihydrochloride (CAS 1803590-35-3)
- (S)-(6,6-Dimethyl-1,4-dioxan-2-yl)methanol (CAS 1628175-34-7)
- 2-(4-Chloro-3-fluorophenyl)-3-methylbutan-2-ol (CAS 1379313-03-7)
- 3-(2-Chloro-5-nitrophenyl)acrylic acid (CAS 36015-19-7)
- 3-(4-Fluorophenyl)-5-(phenoxymethyl)-4-(p-tolyl)-4H-1,2,4-triazole (CAS 141078-94-6)
- (S)-3,3-Diphenyl-1-(o-tolyl)hexahydropyrrolo[1,2-c][1,3,2]oxazaborole (CAS 463941-07-3)
- Semaglutide impurity 250 (CAS CATO-C4X-2226250)
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