3-[3-(2-Chloro-phenyl)-[1,2,4]oxadiazol-5-yl]-propionic acid CAS 728024-51-9
| CAS No. | 728024-51-9 |
| Molecular Formula | C11H9ClN2O3 |
| Molecular Weight | 252.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H9ClN2O3, 3-[3-(2-Chloro-phenyl)-[1,2,4]oxadiazol-5-yl]-propionic acid contains a nitrogen-containing heterocyclic scaffold, 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 252.65 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.
3-[3-(2-Chloro-phenyl)-[1,2,4]oxadiazol-5-yl]-propionic acid (CAS 728024-51-9) is a high-purity analytical reference standard with the molecular formula C11H9ClN2O3 and a molecular weight of 252.65 g/mol.
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), 3-[3-(2-Chloro-phenyl)-[1,2,4]oxadiazol-5-yl]-propionic acid 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 | C11H9ClN2O3 |
| Molecular Weight | 252.65 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, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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- 6- Chloro- 2- (ethylamino) pyridine- 3- carbonyl Fluoride (CAS 1092523-22-2)
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- 2-Bromo-3-(2-fluorophenyl)-1-propene (CAS 731772-95-5)
- 20654-88-0 Borane-11B, trifluoro- (11B)Boron trifluoride EINECS 243-946-1 (CAS 20654-88-0)
- 2-Benzyl-5-butoxy-3,4-dihydroisoquinolin-1(2H)-one (CAS 850905-29-2)
- Semaglutide impurity 269 (CAS CATO-C4X-2226269)
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