(4E)-3-(Chloromethyl)-4-[(5-methyl-2-furyl)-methylene]isoxazol-5(4H)-one CAS 1142199-65-2
| CAS No. | 1142199-65-2 |
| Molecular Formula | C10H8ClNO3 |
| Molecular Weight | 225.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 225.63 g/mol gives (4E)-3-(Chloromethyl)-4-[(5-methyl-2-furyl)-methylene]isoxazol-5(4H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (4E)-3-(Chloromethyl)-4-[(5-methyl-2-furyl)-methylene]isoxazol-5(4H)-one (CAS 1142199-65-2), a certified reference material (molecular formula C10H8ClNO3, MW 225.63 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H8ClNO3, (4E)-3-(Chloromethyl)-4-[(5-methyl-2-furyl)-methylene]isoxazol-5(4H)-one 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 225.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (4E)-3-(Chloromethyl)-4-[(5-methyl-2-furyl)-methylene]isoxazol-5(4H)-one 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 | C10H8ClNO3 |
| Molecular Weight | 225.63 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 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.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related E Standards
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Recommended Standards
- Methyl 3-amino-4-chlorobenzofuran-2-carboxylate (CAS 1139838-91-7)
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- 8-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)quinazolin-2-amine (CAS 2696446-24-7)
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- N-(4-Bromo-3-chlorophenyl)formamide (CAS 77897-92-8)
- Itraconazole Impurity 47 (CAS CATO-C4X-149747)
- (1-Methyl-9H-pyrido[3,4-b]indol-3-yl)methanol (CAS 33821-72-6)
- 2-(3-Bromophenyl)-6-(pentafluoro-λ6-sulfanyl)-1H-benzo[d]imidazole (CAS 1379803-58-3)
- 2-(Benzofuran-3-yl)ethyl 4-methylbenzenesulfonate (CAS 26278-25-1)
- 3-Benzyl-3-azabicyclo[3.3.1]nonan-9-one (CAS 81879-64-3)
- DAPK Substrate Peptide (CAS 386769-53-5)
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