3-(2,4-Dichlorophenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid CAS 1038696-41-1
| CAS No. | 1038696-41-1 |
| Molecular Formula | C10H7Cl2NO3 |
| Molecular Weight | 260.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(2,4-Dichlorophenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-(2,4-Dichlorophenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 1038696-41-1) is a high-purity analytical reference standard with the molecular formula C10H7Cl2NO3 and a molecular weight of 260.07 g/mol.
Based on its molecular formula C10H7Cl2NO3, 3-(2,4-Dichlorophenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic 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 260.07 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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-(2,4-Dichlorophenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic 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 | C10H7Cl2NO3 |
| Molecular Weight | 260.07 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichlorophenyl Standards
- 3-(3,4-Dichlorophenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 109888-66-6)
- (2E)-4-[(2,4-DIchlorophenyl)amino]-4-oxobut-2-enoic acid (CAS 306935-72-8)
- (E)-4-((2,3-dichlorophenyl)amino)-4-oxobut-2-enoic acid (CAS 306935-73-9)
- (E)-4-((2,5-Dichlorophenyl)amino)-4-oxobut-2-enoic acid (CAS 61832-96-0)
- (E)-4-((2,6-dichlorophenyl)amino)-4-oxobut-2-enoic acid (CAS 37904-05-5)
- (Z)-4-((2,4-Dichlorophenyl)amino)-4-oxobut-2-enoic acid (CAS 95695-47-9)
- (Z)-4-((2,5-Dichlorophenyl)amino)-4-oxobut-2-enoic acid (CAS 31460-32-9)
- (Z)-4-((3,4-Dichlorophenyl)amino)-4-oxobut-2-enoic acid (CAS 21395-61-9)
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