N-(4-acetylphenyl)-3-(2-chlorophenyl)-5-methylisoxazole-4-carboxamide CAS 331847-89-3
| CAS No. | 331847-89-3 |
| Molecular Formula | C19H15ClN2O3 |
| Molecular Weight | 354.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of N-(4-acetylphenyl)-3-(2-chlorophenyl)-5-methylisoxazole-4-carboxamide is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
N-(4-acetylphenyl)-3-(2-chlorophenyl)-5-methylisoxazole-4-carboxamide (CAS 331847-89-3), molecular formula C19H15ClN2O3 and molecular weight 354.79 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H15ClN2O3, N-(4-acetylphenyl)-3-(2-chlorophenyl)-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 354.79 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.
CATO manufactures N-(4-acetylphenyl)-3-(2-chlorophenyl)-5-methylisoxazole-4-carboxamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H15ClN2O3 |
| Molecular Weight | 354.79 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related N Standards
- N-(4-Acetylphenyl)-2-((5-(pyridin-3-yl)-1,3,4-oxadiazol-2-yl)thio)acetamide (CAS 332358-22-2)
- Ethyl 4-(4-acetylphenyl)-2-bromothiazole-5-carboxylate (CAS 1206908-21-5)
- N-(2-acetylphenyl)-4-bromobenzenesulfonamide (CAS 303152-39-8)
- N-(3-acetylphenyl)-4-bromobenzenesulfonamide (CAS 76883-64-2)
- N-(4-Acetylphenyl)-2-((3-(pyridin-3-yl)-1H-1,2,4-triazol-5-yl)thio)acetamide (CAS 332158-01-7)
- N-(4-Acetylphenyl)-5-bromo-2-chlorobenzamide (CAS 333355-23-0)
- 1-(3-Acetylphenyl)-3-(1-(4-fluorobenzyl)-1H-pyrazol-4-yl)urea (CAS 894502-73-9)
- N-(3-acetylphenyl)-2-(2,4-dichlorophenoxy)propanamide (CAS 292644-25-8)
Recommended Standards
- Ethyl 6-(chloromethyl)-4-(2,3-dimethoxyphenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 380589-29-7)
- N,N-dibenzyl-6-chloro-5-nitropyrimidin-4-amine (CAS 882272-97-1)
- Ethyl 4-(4-chlorophenoxy)-2-phenylpyrimidine-5-carboxylate (CAS 477854-78-7)
- Neratinib Impurity 57 (CAS CATO-C4X-113457)
- 2-Methyl-2-(piperidin-4-yl)propan-1-ol (CAS 99203-25-5)
- Latanoprost (CAS 130209-82-4)
- 2′-O-Monobutyrylguanosine 3′:5′-cyclic monophosphate sodium salt (CAS 58329-72-9)
- 1-Ethyl-3-hydroxypyrrolidine (CAS 30727-14-1)
- 4-(3-Chlorophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid (CAS 314000-19-6)
- 2-[(4-Cyano-5-methyl-1,2-thiazol-3-yl)sulfanyl]-N'-[2-(1H-1,2,4-triazol-1-yl)ethanimidoyl]acetohydrazide (CAS 338418-78-3)
- 1H-imidazole-2-carbonitrile hydrochloride (CAS 1392803-62-1)
- 1-Phenyl-2-(4-N-Cbz-phenylamino-piperidin-1-yl)-propan-1-one (CAS 936498-12-3)
- 2-Fluoro-6-(3-fluorophenoxy)aniline (CAS 1184275-63-5)
- Palmitoyl hexapeptide-6 (CAS 891498-01-4)
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