7-Fluoro-1-(4-methylbenzyl)-4-oxo-1,4-dihydroquinoline-3-carbohydrazide CAS 478043-11-7
| CAS No. | 478043-11-7 |
| Molecular Formula | C18H16FN3O2 |
| Molecular Weight | 325.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H16FN3O2, 7-Fluoro-1-(4-methylbenzyl)-4-oxo-1,4-dihydroquinoline-3-carbohydrazide 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 325.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO supplies 7-Fluoro-1-(4-methylbenzyl)-4-oxo-1,4-dihydroquinoline-3-carbohydrazide (CAS 478043-11-7), a certified reference material (molecular formula C18H16FN3O2, MW 325.34 g/mol) for analytical method development and quality control.
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 | C18H16FN3O2 |
| Molecular Weight | 325.34 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Fluoro Standards
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- 4-Fluoro-3-(N-(2-methoxyphenyl)sulfamoyl)benzoic acid (CAS 329269-49-0)
- 4-Fluoro-3-[(4-methoxyphenyl)sulfamoyl]benzoic acid (CAS 314043-67-9)
- 5-Fluoro-2-(4-fluorobenzoyl)benzoic acid (CAS 250714-85-3)
- Methyl 2'-(5-fluoro-2-methylphenyl)-2',3'-dihydro-1'H-spiro[cyclopropane-1,4'-quinoline]-6'-carboxylate (CAS 1353970-91-8)
- 4-Fluoro-N-[2-methyl-1-(5-methyl-1H-1,3-benzodiazol-2-yl)propyl]benzamide (CAS 338410-88-1)
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Recommended Standards
- 7-(Furan-2-yl)-3-(phenylsulfonyl)pyrazolo[1,5-a]pyrimidine (CAS 866132-17-4)
- Ethyl 4-{[(2-fluorophenyl)methyl]amino}quinazoline-2-carboxylate (CAS 866155-33-1)
- 6-Hydroxy-11-(3-methoxyphenyl)-8-thia-3,5,10-triazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),5,10,12-pentaen-4-one (CAS 674805-88-0)
- Famphur Impurity 6 (CAS 30978-90-6)
- 1-(5-Aminopyridin-2-yl)ethan-1-one (CAS 51460-32-3)
- 6-Fluoronaphthalene-2-sulfonic acid (CAS 859071-26-4)
- 1-Cbz-amino-butyl-3-amine (CAS 885277-99-6)
- 2,2,2-trifluoroethyl N-(propan-2-yl)carbamate (CAS 1027616-97-2)
- 2,6-Diamino-5-ethylpyrimidin-4(3h)-one (CAS 3977-25-1)
- 3-Cyclopentyl-5-methyl-1,2-oxazole-4-carboxylic acid (CAS 1083369-20-3)
- (E)-1-(dimethylamino)-4-(4-nitrophenoxy)pent-1-en-3-one (CAS 477865-12-6)
- 2-(2,3-Difluoro-4-(trifluoromethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 881402-15-9)
- Metolachlor mercapturate (CAS 159956-64-6)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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