1-(4-Iodobenzo[d]oxazol-2-yl)ethanone CAS 1803836-74-9
| CAS No. | 1803836-74-9 |
| Molecular Formula | C9H6INO2 |
| Molecular Weight | 287.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(4-Iodobenzo[d]oxazol-2-yl)ethanone (CAS 1803836-74-9) is a high-purity analytical reference standard with the molecular formula C9H6INO2 and a molecular weight of 287.05 g/mol.
Based on its molecular formula C9H6INO2, 1-(4-Iodobenzo[d]oxazol-2-yl)ethanone contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 287.05 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), 1-(4-Iodobenzo[d]oxazol-2-yl)ethanone 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 | C9H6INO2 |
| Molecular Weight | 287.05 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 1 |
Related Iodobenzo Standards
- 1-(7-Iodobenzo[d]oxazol-2-yl)ethanone (CAS 1806283-59-9)
- 1-(6-Iodobenzo[d]oxazol-2-yl)ethanone (CAS 1806528-33-5)
- 1-(5-Iodobenzo[d]oxazol-2-yl)ethanone (CAS 1807044-05-8)
- 6-Iodobenzo[d]thiazole-2-carbonitrile (CAS 1823057-00-6)
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