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
| 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
The occurrence of 6,8-Difluoro-1,4-dihydro-1-(N-methylformamido)-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
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), molecular formula C19H22F2N4O4 and molecular weight 408.40 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6,8-Difluoro-1,4-dihydro-1-(N-methylformamido)-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester (C19H22F2N4O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 408.40 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 6,8-Difluoro-1,4-dihydro-1-(N-methylformamido)-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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 |
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Recommended Standards
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- 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)
- 1-(8-Chloro-3-(methylsulfonyl)-6-(trifluoromethyl)imidazo[1,5-a]pyridin-1-yl)-2,2,2-trifluoroethan-1-one (CAS 2379918-52-0)
- 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)
- (4-aminotetrahydrofuran-3-yl)methanol (CAS 1505822-24-1)
- 3-Benzyloxy-9H-carbazole N-Carboxylic Acid tert-Butyl Ester (CAS 1796929-66-2)
- Acetyl Tetrapeptide-5 (CAS 820959-17-9)
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