1-(2,4-Difluorophenyl)-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid CAS 103995-01-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 103995-01-3 |
| Molecular Formula | C16H7F4NO3 |
| Molecular Weight | 337.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2,4-Difluorophenyl)-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid (CAS 103995-01-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H7F4NO3. Molecular weight: 337.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H7F4NO3 |
| Molecular Weight | 337.23 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- Citicoline Impurity 6 (CAS 52448-10-9)
- 2-(3-Bromophenyl)-N-methyl-N-(thiazol-2-yl)cyclopropane-1-carboxamide (CAS 1311870-36-6)
- N-(2-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)benzamide (CAS 2095280-78-5)
- 3-(3-Benzyl-1,2,4-oxadiazol-5-yl)-1-methyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine HCl (CAS 1332530-80-9)
- tert-Butyl 2-bromo-4-isopropyl-3-methyl-6H-thieno[2,3-b]pyrrole-6-carboxylate (CAS 2852760-96-2)
- N-(5-chloro-2-methoxyphenyl)furan-2-carboxamide (CAS 196866-13-4)
- 3-bromo-6-chloro-4-methoxy-1H-pyrazolo[3,4-d]pyrimidine (CAS 2445214-69-5)
- 3-Cyclopropyl-5-(difluoromethyl)-1H-pyrazole (CAS 1042768-00-2)
- ((2-Oxo-1,2,3,4-tetrahydroquinolin-6-yl)sulfonyl)phenylalanine (CAS 1396963-54-4)
- D-[His]1-Semaglutide (CAS CATO-C4X-222652)
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