N-(4-(4-Fluorobenzoyl)phenyl)-5-methylisoxazole-4-carboxamide CAS 73076-35-4
| CAS No. | 73076-35-4 |
| Molecular Formula | C18H13FN2O3 |
| Molecular Weight | 324.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
N-(4-(4-Fluorobenzoyl)phenyl)-5-methylisoxazole-4-carboxamide (CAS 73076-35-4) is a high-purity analytical reference standard with the molecular formula C18H13FN2O3 and a molecular weight of 324.31 g/mol.
Based on its molecular formula C18H13FN2O3, N-(4-(4-Fluorobenzoyl)phenyl)-5-methylisoxazole-4-carboxamide 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 324.31 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).
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 | C18H13FN2O3 |
| Molecular Weight | 324.31 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related N Standards
- Ethyl 2-({3-[(4-fluorobenzoyl)amino]-1H-1,2,4-triazol-5-yl}sulfanyl)acetate (CAS 866010-93-7)
- 1-(4-Fluorobenzoyl)benzo[d]pyrrolo[2,1-b]thiazole-3-carbaldehyde (CAS 696649-69-1)
- 4-(4-Fluorobenzoyl)-N-[(pyridin-3-yl)methyl]-1H-pyrrole-2-carboxamide (CAS 439111-60-1)
- 4-(3-Fluorobenzoyl)-8-methyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1326810-70-1)
- (4-Fluorobenzoyl)tryptophan (CAS 1397321-16-2)
- 4-(4-Fluorobenzoyl)-8-methyl-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid (CAS 1008195-28-5)
- 4-(2-Fluorobenzoyl)-8-methyl-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid (CAS 1326810-80-3)
- 4-(3-Fluorobenzoyl)-8-methyl-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid (CAS 1326812-49-0)
Recommended Standards
- N-(4-(((5-Nitrofuran-2-yl)methyl)sulfonyl)phenyl)acetamide (CAS 39272-74-7)
- tert-butyl 2-((2-(tert-butoxy)-2-oxoethoxy)(methoxy)phosphoryl)acetate (CAS CATO-C3D-263188)
- Methyl 4-nitro-1-(p-toluenesulfonyl)pyrrole-2-carboxylate (CAS 930111-86-7)
- Acotiamide Impurity 19 (CAS CATO-C4X-111419)
- 2-(5-Chloro-1-methyl-1H-indol-3-yl)ethanol (CAS 850406-55-2)
- tert-Butyl 4-vinyl-3,6-dihydropyridine-1(2H)-carboxylate (CAS 1632232-54-2)
- 7-Nitroisoquinolin-3-amine (CAS 851266-05-2)
- N-benzyl-4-ethoxyaniline (CAS 72753-31-2)
- 3-(Morpholinosulfonyl)pyridin-4-ol (CAS 1344274-23-2)
- Ethyl 4-oxo-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 38026-46-9)
- 3-(Piperazin-1-ylmethyl)phenol (CAS 443694-34-6)
- 4-(5-Nitropyrimidin-2-yl)morpholine (CAS 65735-66-2)
- Lu Standard Solution (CAS 7439-94-3)
- Semaglutide Impurity 192 (CAS CATO-C4X-2226192)
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