Ethyl 3-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-5-methyl-1,2-oxazole-4-carboxylate CAS 303997-38-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303997-38-8 |
| Molecular Formula | C13H10ClF3N2O3 |
| Molecular Weight | 334.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 3-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-5-methyl-1,2-oxazole-4-carboxylate (CAS 303997-38-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H10ClF3N2O3. Molecular weight: 334.68 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C13H10ClF3N2O3 |
| Molecular Weight | 334.68 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 | 2 |
Related Ethyl Standards
- 1-(3-Chloro-4-fluorophenyl)-3-(4-fluorophenyl)-1H-pyrazole-5-carboxylic acid (CAS 618102-76-4)
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- Methyl 4-chloro-2,8-dihydroxy-6-methyl-9-oxo-9H-xanthene-1-carboxylate (CAS 104022-83-5)
- 5-Chloro-3-(2-methoxy-5-nitrobenzyl)benzo[d]oxazol-2(3H)-one (CAS 898796-77-5)
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- (4-chloro-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-pyrrolo[2,3-b]pyridin-2-yl)boronic acid (CAS 888721-03-7)
- 2-{1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperidin-4-ylidene}acetohydrazide (CAS 321430-52-8)
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Why CATO?
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