3-(2-Chlorophenyl)-N-(2,4-dimethylphenyl)-5-methylisoxazole-4-carboxamide CAS 301680-74-0
| CAS No. | 301680-74-0 |
| Molecular Formula | C19H17ClN2O2 |
| Molecular Weight | 340.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 3-(2-Chlorophenyl)-N-(2,4-dimethylphenyl)-5-methylisoxazole-4-carboxamide (CAS 301680-74-0), a certified reference material (molecular formula C19H17ClN2O2, MW 340.80 g/mol) for analytical method development and quality control.
Based on its molecular formula C19H17ClN2O2, 3-(2-Chlorophenyl)-N-(2,4-dimethylphenyl)-5-methylisoxazole-4-carboxamide contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 340.80 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H17ClN2O2 |
| Molecular Weight | 340.80 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 | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 4-[2-(4-Methoxyphenoxy)ethoxy]aniline (CAS 923173-84-6)
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- Ethyl 2-methoxy-1-naphthoylformate (CAS 22531-51-7)
- 4'-Butyl-[1,1'-bi(cyclohexan)]-4-one (CAS 914221-44-6)
- MOTS-c Peptide (CAS 1627580-64-6)
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