2-Chloro-4-(4-chlorophenyl)oxazole CAS 49656-13-5
| CAS No. | 49656-13-5 |
| Molecular Formula | C9H5Cl2NO |
| Molecular Weight | 214.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H5Cl2NO, 2-Chloro-4-(4-chlorophenyl)oxazole 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 214.05 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.
CATO supplies 2-Chloro-4-(4-chlorophenyl)oxazole (CAS 49656-13-5), a certified reference material (molecular formula C9H5Cl2NO, MW 214.05 g/mol) for analytical method development and quality control.
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.
CATO manufactures 2-Chloro-4-(4-chlorophenyl)oxazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H5Cl2NO |
| Molecular Weight | 214.05 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 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 7-Chloro-1H-indole-2-carbonyl chloride (CAS 1182349-17-2)
- 6-Chloro-1H-indole-3-carbonyl chloride (CAS 1260794-86-2)
- 5-Chloro-3-(3-chlorophenyl)-1H-1,2,4-triazole (CAS 1315346-16-7)
- 5-Chloro-3-(4-chlorophenyl)-1h-1,2,4-triazole (CAS 1315370-96-7)
- 2-Chloro-1H-indole-3-carbonyl chloride (CAS 83894-17-1)
- 3-Chloro-5-(2-chlorophenyl)-1h-1,2,4-triazole (CAS 63580-19-8)
- 5-Chloro-1H-indole-2-carbonyl chloride (CAS 64507-05-7)
- 5-Chloro-3-(4-chlorophenyl)isoxazole (CAS 51726-07-9)
Recommended Standards
- 3-(2,3-Dichlorophenyl)-3-oxopropanenitrile (CAS 75473-09-5)
- 2-[(2-Chloroacetyl)amino]ethyl 2-Chloroacetate (CAS 60945-04-2)
- 3-(2,4-Dichlorophenyl)-3-oxopropanenitrile (CAS 39528-61-5)
- 2,6-Dichloro-4-(1-pyrrolyl)pyrimidine (CAS 321328-97-6)
- 5-(Bromomethyl)-2-phenylpyridine (CAS 212573-56-3)
- N-(2-Cyclopropyl-2-hydroxypropyl)-2-(2-oxobenzo[d]oxazol-3(2H)-yl)acetamide (CAS 1286728-86-6)
- 3-(3,4-Dimethylphenyl)-1,2-oxazol-5-ol (CAS 1354924-02-9)
- (S)-3-amino-2-(3-chlorobenzyl)propanoic acid (CAS 914644-78-3)
- 2-Ethyl-5-(4-ethylphenyl)pyrimidine (CAS 208709-64-2)
- Methyl cyclopropanecarbimidate (CAS 746556-17-2)
- 4-Bromo-2-chlorobenzhydrazide (CAS 206559-39-9)
- 6-(Morpholin-4-yl)pyridine-3-carboximidamide dihydrochloride (CAS 1394670-06-4)
- N-(4-Cyanophenyl)ethanethioamide (CAS 29277-45-0)
- Peptide YY (3-36) (human) (CAS 123583-37-9)
Why CATO?
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