7-{4-[(tert-butoxy)carbonyl]piperazin-1-yl}-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid CAS 127142-90-9
| CAS No. | 127142-90-9 |
| Molecular Formula | C21H26FN3O5 |
| Molecular Weight | 419.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 419.45 g/mol gives 7-{4-[(tert-butoxy)carbonyl]piperazin-1-yl}-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-{4-[(tert-butoxy)carbonyl]piperazin-1-yl}-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 127142-90-9) is a high-purity analytical reference standard with the molecular formula C21H26FN3O5 and a molecular weight of 419.45 g/mol.
7-{4-[(tert-butoxy)carbonyl]piperazin-1-yl}-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (C21H26FN3O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 7-{4-[(tert-butoxy)carbonyl]piperazin-1-yl}-1-ethyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid 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 | C21H26FN3O5 |
| Molecular Weight | 419.45 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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.) | 1993 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related tert Standards
- 5-(4-Butoxy-3-ethoxybenzylidene)-2-(pyridin-3-yl)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 609794-92-5)
- (3-(2-(4-(Tert-butoxy)phenyl)-1-((tert-butoxycarbonyl)amino)ethyl)oxetan-3-yl)glycine (CAS 2198380-66-2)
- 4-Butoxy-N-(2-((2-methyl-6-morpholinopyrimidin-4-yl)amino)ethyl)benzamide (CAS 1203116-37-3)
- 4-Butoxy-N-(2-((4-fluorobenzyl)thio)-2-methylpropyl)benzenesulfonamide (CAS 478245-95-3)
- 21-(tert-Butoxy)-21-oxohenicosanoic acid (CAS 3046115-41-4)
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Recommended Standards
- Fmoc-4-fluoro-α-Me-Phe-OH · DCHA (CAS 1175838-03-5)
- PF 5006739 (CAS 1293395-67-1)
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- Methyl (2Z)-3-[(2,3-dihydro-1,4-benzodioxin-6-yl)amino]-2-(4-ethoxybenzenesulfonyl)prop-2-enoate (CAS 1327179-12-3)
- N-((1-((4-Fluorophenyl)carbamoyl)piperidin-4-yl)methyl)-5-(furan-2-yl)isoxazole-3-carboxamide (CAS 1235056-38-8)
- 1-(2-Chloroquinolin-3-yl)methanamine (CAS 1431729-39-3)
- 2-((4-(2,7-Diazaspiro[3.5]nonan-2-yl)pyrimidin-5-yl)oxy)-N-ethyl-5-fluoro-N-isopropylbenzamide (CAS 2169920-03-8)
- 6-Ethoxy-9H-purine (CAS 17861-06-2)
- 3-(4-Fluoro-3-methylphenyl)-3-hydroxypropanoic acid (CAS 1250827-68-9)
- Ethyl 5-amino-1-(quinolin-8-yl)-1H-pyrazole-3-carboxylate (CAS 1427020-04-9)
- (3S,4R)-3-fluoropiperidin-4-ol hydrochloride (CAS 1443380-89-9)
- 5-(4-(Methoxymethyl)phenyl)oxazolidin-2-one (CAS 1495250-49-1)
- 4-Chloro-5-methoxy-2-(3-nitrophenyl)pyrimidine (CAS 1147979-38-1)
- D-[Ser]8-Liraglutide (CAS CATO-C4X-199238)
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