1-(4-Chlorophenyl)-3-(4,5-dimethyloxazol-2-yl)urea CAS 35629-59-5
| CAS No. | 35629-59-5 |
| Molecular Formula | C12H12ClN3O2 |
| Molecular Weight | 265.70 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.
CATO supplies 1-(4-Chlorophenyl)-3-(4,5-dimethyloxazol-2-yl)urea (CAS 35629-59-5), a certified reference material (molecular formula C12H12ClN3O2, MW 265.70 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H12ClN3O2, 1-(4-Chlorophenyl)-3-(4,5-dimethyloxazol-2-yl)urea 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 265.70 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H12ClN3O2 |
| Molecular Weight | 265.70 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 DMSO, DMF, methanol |
| 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.) | 1967 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chlorophenyl Standards
- 1-(3-Chlorophenyl)-5-propyl-1h-1,2,3-triazole-4-carboxylic acid (CAS 1017402-13-9)
- 1-(4-Chlorophenyl)-5-propyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1017456-57-3)
- 1-(2-chlorophenyl)-5-(propan-2-yl)-1H-1,2,4-triazole-3-carboxylic acid (CAS 1154372-69-6)
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- ethyl 5-(4-chlorophenyl)-1-methyl-1H-1,2,4-triazole-3-carboxylate (CAS 1283530-38-0)
- 2-(2-(3-Chlorophenyl)-5-methyloxazol-4-yl)-N-hydroxyacetimidamide (CAS 1370601-76-5)
- Ethyl 2-(3-(4-chlorophenyl)-1H-1,2,4-triazol-5-yl)acetate (CAS 168639-16-5)
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Recommended Standards
- 1-(4-Chlorobenzyl)-3,5-dimethyl-4-nitro-1h-pyrazole (CAS 333311-68-5)
- 2-((5-Chloro-2-methylquinolin-8-yl)oxy)-N-hydroxyacetimidamide (CAS 88757-39-5)
- 1-(3-Chlorophenyl)-5-methoxy-N-methyl-1H-pyrazole-3-carboxamide (CAS 54708-68-8)
- 2-(4-Chlorophenyl)tetrahydro-1H-[1,2,4]triazolo[1,2-a]pyridazine-1,3(2H)-dione (CAS 58744-05-1)
- (E)-1-(1-(Phenylthio)cyclopropyl)but-2-en-1-ol (CAS 63049-00-3)
- [dideuterio-[(3S)-5,5-dideuteriomorpholin-3-yl]methyl] N-[4-[[1-[(3-fluorophenyl)methyl]indazol-5-yl]amino]-5-methylpyrrolo[2,1-f][1,2,4]triazin-6-yl]carbamate (CAS 1330172-72-9)
- 7-(Trifluoromethyl)-7,8-dihydroquinazolin-5(6H)-one (CAS 1420794-79-1)
- 4-(5-Fluoro-1H-indol-3-yl)butanoic acid (CAS 319-72-2)
- (2-Methylpropyl)[(2E)-3-phenylprop-2-en-1-yl]amine hydrochloride (CAS 1159699-87-2)
- N-(benzo[d]thiazol-2-yl)-2-bromoacetamide (CAS 121189-77-3)
- Methyl 2-(5-methyl-4-nitro-1h-pyrazol-1-yl)acetate (CAS 1245772-53-5)
- [2-(4-Chloro-phenyl)-oxazol-4-yl]-methanol (CAS 22087-22-5)
- N/A (CAS CATO-CQCM100906)
- Semaglutide Impurity 165 (CAS CATO-C4X-2226165)
Why CATO?
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