2-(chloromethyl)-4-ethyl-1,3-oxazole CAS 224441-76-3
| CAS No. | 224441-76-3 |
| Molecular Formula | C6H8ClNO |
| Molecular Weight | 145.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
2-(chloromethyl)-4-ethyl-1,3-oxazole (CAS 224441-76-3), molecular formula C6H8ClNO and molecular weight 145.59 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 2-(chloromethyl)-4-ethyl-1,3-oxazole is typically white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 145.59 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C6H8ClNO |
| Molecular Weight | 145.59 g/mol |
| 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 |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2021 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related chloromethyl Standards
- 5-(Chloromethyl)-2-ethyl-1,3-oxazole (CAS 1206977-45-8)
- 3-(Chloromethyl)-5-ethylisoxazole (CAS 122221-01-6)
- 4-(chloromethyl)-1-ethyl-1H-1,2,3-triazole (CAS 1250619-23-8)
- 2-(Chloromethyl)-5-ethyl-1,3-oxazole (CAS 1312601-07-2)
- 4-(chloromethyl)-2-ethyl-2H-1,2,3-triazole (CAS 1312601-19-6)
- 5-(Chloromethyl)-1-ethyl-1H-1,2,3-triazole (CAS 1393575-49-9)
- 2-(Chloromethyl)-4,5-dimethyl-1,3-oxazole (CAS 141118-71-0)
- 4-(Chloromethyl)-3-ethylisoxazole (CAS 1820705-91-6)
Recommended Standards
- 2-(5-Chlorofuran-2-yl)ethan-1-amine (CAS 910391-20-7)
- 2-[3-(chloromethyl)oxetan-3-yl]acetonitrile (CAS 51994-98-0)
- 2-(5-Chloro-1h-imidazol-4-yl)ethan-1-amine (CAS 99221-76-8)
- 3-(Chloromethyl)-4,5-dimethyl-4H-1,2,4-triazole (CAS 881845-16-5)
- Protoporphyrin IX (CAS 553-12-8)
- Methyl (2Z)-2-(benzenesulfonyl)-3-[(4-chlorophenyl)amino]prop-2-enoate (CAS 1327173-69-2)
- Methyl 2-methyl-4-nitro-1H-imidazole-1-carboxylate (CAS 145799-16-2)
- 2-Phenylquinoline-3-carbaldehyde (CAS 227803-21-6)
- 2,4,4,6-Tetramethyl-5,6-dihydro-4H-1,3-oxazine (CAS 26939-18-4)
- Sodium 4-hydroxy-3-phenylbutanoate (CAS 40951-19-7)
- m-PEG15-acetic acid (CAS 2417256-16-5)
- 2-{[(2-chlorophenyl)methyl]amino}propan-1-ol (CAS 1118787-00-0)
- 2-[(4-Formyl-2-iodophenoxy)methyl]benzonitrile (CAS 675167-30-3)
- D-β-Asp9-Tirzepatide (CAS CATO-CPTD788932)
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