N-[2-(2,4-Dichlorophenyl)-5-benzoxazolyl]benzeneacetamide CAS 388086-13-3
| CAS No. | 388086-13-3 |
| Molecular Formula | C21H14Cl2N2O2 |
| Molecular Weight | 397.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-[2-(2,4-Dichlorophenyl)-5-benzoxazolyl]benzeneacetamide (CAS 388086-13-3) is a high-purity analytical reference standard with the molecular formula C21H14Cl2N2O2 and a molecular weight of 397.25 g/mol.
Based on its molecular formula C21H14Cl2N2O2, N-[2-(2,4-Dichlorophenyl)-5-benzoxazolyl]benzeneacetamide 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 397.25 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), N-[2-(2,4-Dichlorophenyl)-5-benzoxazolyl]benzeneacetamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C21H14Cl2N2O2 |
| Molecular Weight | 397.25 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) | 15.0 |
| 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-Amino-3-methoxy-N-phenylbenzamide (CAS 59673-81-3)
- rac-2,2,2-trifluoro-N-[(3R,6S)-6-(trifluoromethyl)piperidin-3-yl]acetamide (CAS 1909293-90-8)
- GrossaMide (CAS 80510-06-1)
- 3-(4-(tert-Butoxycarbonyl)-2-methylpiperazin-1-yl)propanoic acid (CAS 1060813-93-5)
- 3-Bromo-6-fluoro-1-tosyl-1H-indole (CAS 887338-51-4)
- Semaglutide impurity 72 (CAS CATO-C4X-222672)
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