1-Ethyl-6-fluoro-7-(4-methylpiperidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid CAS 153114-24-0
| CAS No. | 153114-24-0 |
| Molecular Formula | C18H21FN2O3 |
| Molecular Weight | 332.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-Ethyl-6-fluoro-7-(4-methylpiperidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid is closely related to a steroid 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.
1-Ethyl-6-fluoro-7-(4-methylpiperidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 153114-24-0), molecular formula C18H21FN2O3 and molecular weight 332.37 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H21FN2O3, 1-Ethyl-6-fluoro-7-(4-methylpiperidin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 332.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H21FN2O3 |
| Molecular Weight | 332.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 2-Fluoro-4-(5-methyl-3-phenylisoxazol-4-yl)benzenesulfonamide (CAS 370874-50-3)
- 6-Fluoro-4-hydroxy-N-(5-propyl-1,3,4-thiadiazol-2-yl)quinoline-3-carboxamide (CAS 951999-62-5)
- 4-Fluoro-N-(2-phenylbenzo[d]oxazol-5-yl)benzamide (CAS 301646-85-5)
- 6-Fluoro-7-(3-(methylamino)pyrrolidin-1-yl)-4-oxo-1-vinyl-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid (CAS 84424-13-5)
- N-(2-Fluoro-5-hydroxyphenyl)-N-(2-fluorophenyl)cyclopropane-1,1-dicarboxamide (CAS 1956321-31-5)
- N-(2-Fluoro-5-hydroxyphenyl)-N'-(2-fluorophenyl)cyclopropane-1,1-dicarboxamide (CAS 1958091-85-4)
- 4-[2-Fluoro-4-(trifluoromethyl)benzoyl]-N,N-dimethyl-1H-pyrrole-2-carboxamide (CAS 477852-52-1)
- 2-Fluoro-5-((6-fluoro-2,4-dioxo-3,4-dihydroquinazolin-1(2H)-yl)methyl)benzoic acid (CAS 1401684-02-3)
Recommended Standards
- Methyl Belinostat (CAS 1485081-34-2)
- 1-(Benzo[d]isoxazol-3-yl)-N-(2-ethoxyphenyl)methanesulfonamide (CAS 1798040-46-6)
- 6-(4,5-Dimethoxy-2-methylphenyl)-3-methylimidazo[2,1-b]thiazole-2-carboxylic acid (CAS 1437434-53-1)
- (1-(2,4-Difluorophenyl)-3-(4-(methylthio)phenyl)-1H-pyrazol-4-yl)methanol (CAS 618444-52-3)
- 3-Amino-4-(benzylamino)benzamide (CAS 66315-41-1)
- 6'-Amino-4'-ethyl-5'-(4-hydroxyphenyl)-N-methyl-[3,3'-bipyridine]-6-carboxamide (CAS 2009273-71-4)
- Bromodichloroacetic acid (CAS 71133-14-7)
- (4-Cyclopropyl-3-(1H-imidazol-1-yl)phenyl)boronic acid (CAS 2225175-25-5)
- 3-(prop-2-en-1-yloxy)pyridine (CAS 18343-04-9)
- N-(5-Acetyl-4-methylthiazol-2-yl)-3-(ethylthio)benzamide (CAS 898423-02-4)
- Quetiapine impurity 64 (CAS 73486-81-4)
- N,3,4-trimethoxy-N-methylbenzamide (CAS 155586-38-2)
- N-(1H-indazol-5-yl)acrylamide (CAS 125449-92-5)
- Semaglutide impurity 48 (CAS CATO-C4X-222648)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com