Ethyl 5-(2-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-2-methylhydrazine-1-carbonyl)-4,5-dihydroisoxazole-3-carboxylate CAS 338400-94-5
| CAS No. | 338400-94-5 |
| Molecular Formula | C14H14ClF3N4O4 |
| Molecular Weight | 394.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 394.73 g/mol gives Ethyl 5-(2-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-2-methylhydrazine-1-carbonyl)-4,5-dihydroisoxazole-3-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Ethyl 5-(2-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-2-methylhydrazine-1-carbonyl)-4,5-dihydroisoxazole-3-carboxylate (CAS 338400-94-5), a certified reference material (molecular formula C14H14ClF3N4O4, MW 394.73 g/mol) for analytical method development and quality control.
Based on its molecular formula C14H14ClF3N4O4, Ethyl 5-(2-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-2-methylhydrazine-1-carbonyl)-4,5-dihydroisoxazole-3-carboxylate contains a nitrogen-containing heterocyclic scaffold, 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 394.73 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
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 | C14H14ClF3N4O4 |
| Molecular Weight | 394.73 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 2-Heptacosanone (CAS 7796-19-2)
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- 5-(4-Chlorophenoxy)-3-(3-(trifluoromethyl)phenyl)-1,2,4-triazine-6-carboxamide (CAS 921620-24-8)
- Entacapone impurity 46 (CAS CATO-C4X-162946)
- Tert-butyl 4-(5-bromonicotinoyl)piperazine-1-carboxylate (CAS 1017782-72-7)
- 4-Methylindole (CAS 16096-32-5)
- 1-(4-Propylphenyl)ethan-1-one oxime (CAS 64128-26-3)
- 2-Fluoro-5-(4-fluorobenzylcarbamoyl)benzeneboronic acid (CAS 2096333-62-7)
- 4’-Methoxy-2-chloroacetophenone (CAS 2196-99-8)
- Diethyl 4,4'-(decanedioylbis(azanediyl))dibenzoate (CAS 77292-19-4)
- (+)-Vitisin A (CAS 142449-89-6)
- 3-((5-Chloroquinolin-8-yl)oxy)prop-2-yn-1-yl acetate (CAS 88349-97-7)
- 5-Chloro-1,3-benzothiazole-2-carboxylic acid (CAS 3507-53-7)
- Semaglutide-d8 Tetratrifluoroacetate (CAS CATO-C4X-222617)
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