6,8-Difluoro-1,4-dihydro-1-(N-methylformamido)-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester CAS 158585-86-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 158585-86-5 |
| Molecular Formula | C19H22F2N4O4 |
| Molecular Weight | 408.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6,8-Difluoro-1,4-dihydro-1-(N-methylformamido)-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester (CAS 158585-86-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C19H22F2N4O4. Molecular weight: 408.40 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C19H22F2N4O4 |
| Molecular Weight | 408.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related Difluoro Standards
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- Methyl 5,8-difluoro-4-(piperazin-1-yl-N-BOC protected)quinoline-2-carboxylate (CAS 887267-66-5)
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Recommended Standards
- Vericiguat impurity 47 (CAS CATO-C4X-289647)
- Dibenzo[b,d]furan-4,6-diyl dibenzoate (CAS 1964440-20-7)
- Vericiguat Impurity 3 (CAS 3052969-91-9)
- 2-(2-Chloroacetamido)-n-(2-phenylethyl)benzamide (CAS 117507-50-3)
- Ethyl 2-(2-(4-isopropoxybenzyl)-6-methyl-4-oxo-1,4-dihydropyrimidin-5-yl)acetate (CAS 6520-76-9)
- 2'-Bromo-[1,1'-biphenyl]-2-carboxylic acid (CAS 69200-16-4)
- 5-Methyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carbaldehyde (CAS 20719-13-5)
- 285978-19-0 N-[2,5-Dioxo(4-~13~C,3-~15~N)imidazolidin-4-yl]urea DTXSID20745769 (CAS 285978-19-0)
- 2-Methylpent-4-en-1-ol (CAS 5673-98-3)
- Acetyl Tetrapeptide-5 (CAS 820959-17-9)
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