3-(2-Chloro-6-fluorophenyl)-5-[(E)-2-[(2-methoxyphenyl)amino]ethenyl]-1,2-oxazole-4-carbonitrile CAS 338417-28-0
| CAS No. | 338417-28-0 |
| Molecular Formula | C19H13ClFN3O2 |
| Molecular Weight | 369.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(2-Chloro-6-fluorophenyl)-5-[(E)-2-[(2-methoxyphenyl)amino]ethenyl]-1,2-oxazole-4-carbonitrile (CAS 338417-28-0), a certified reference material (molecular formula C19H13ClFN3O2, MW 369.78 g/mol) for analytical method development and quality control.
Based on its molecular formula C19H13ClFN3O2, 3-(2-Chloro-6-fluorophenyl)-5-[(E)-2-[(2-methoxyphenyl)amino]ethenyl]-1,2-oxazole-4-carbonitrile contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 369.78 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 | C19H13ClFN3O2 |
| Molecular Weight | 369.78 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 3-(2-Chloro-6-fluorophenyl)-5-[(E)-2-[(3-methoxyphenyl)amino]ethenyl]-1,2-oxazole-4-carbonitrile (CAS 338417-22-4)
- (4-(6-Chloro-4-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)(phenyl)methanone (CAS 1089330-48-2)
- 2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-N-((dimethylamino)methylene)-2-phenylacetamide (CAS 338406-89-6)
- 2-(5-chloro-1-methyl-3-phenyl-1H-pyrazole-4-carboxamido)-2-phenylacetic acid (CAS 1008985-67-8)
- (E)-3-(4-Chloro-3-nitrophenyl)-N-[2-(1H-indol-3-yl)ethyl]-2-propenamide (CAS 1025276-57-6)
- 6-Chloro-3-(5-cyclopropyl-1,2,4-oxadiazol-3-yl)-5-isopropylimidazo[1,5-a]quinoxalin-4(5H)-one (CAS 124423-85-4)
- (((2-Chloro-5-nitro-1,4-phenylene)bis(oxy))bis(methylene))dibenzene (CAS 1956354-93-0)
- 2-[2-(5-Chloro-3-phenyl-isoxazol-4-yl)-vinyl]-6-methoxy-benzoic acid methyl ester (CAS 365542-74-1)
Recommended Standards
- 3-((tert-Butyldimethylsilyl)oxy)-2-chloro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2377610-68-7)
- 3-[(4-Chlorobenzenesulfonyl)methyl]-4-nitrobenzohydrazide (CAS 339016-39-6)
- (3-chlorophenyl){4-[3-(trifluoromethyl)pyridin-2-yl]piperazino}methanone (CAS 260367-98-4)
- Cefaclor Impurity C37 (CAS 53994-83-5)
- 3-Oxo-2,3-dihydro-1H-inden-5-yl ethyl(methyl)carbamate (CAS 909293-90-9)
- 4-Ethenyloxane (CAS 66956-76-1)
- (2S)-(4,4′-Di-tertbutylphenyl)pyrrolidine methanol sulfate (CAS 131180-56-8)
- 4-(P-tolyl)butan-1-amine (CAS 154108-07-3)
- 2-(Pyridin-4-yl)-N-(thiazol-2-yl)quinoline-4-carboxamide (CAS 716363-23-4)
- N-Cyclopropyl-6-(3-(methylamino)piperidin-1-yl)pyrimidin-4-amine hydrochloride (CAS 1353953-44-2)
- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(benzo[d][1,3]dioxol-5-yl)propanoic acid (CAS 1260609-75-3)
- 8-Bromo-4-chloro-6-nitroquinazoline (CAS 2306272-42-2)
- 19-Norprogesterone (CAS 472-54-8)
- Insulin degludec (CAS 844439-96-9)
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