(4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenyl)urea CAS 339023-79-9
| CAS No. | 339023-79-9 |
| Molecular Formula | C13H9ClF3N3O2 |
| Molecular Weight | 331.68 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.
(4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenyl)urea (CAS 339023-79-9) is a high-purity analytical reference standard with the molecular formula C13H9ClF3N3O2 and a molecular weight of 331.68 g/mol.
Based on its molecular formula C13H9ClF3N3O2, (4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenyl)urea contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 331.68 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).
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 | C13H9ClF3N3O2 |
| Molecular Weight | 331.68 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related chloro Standards
- 4-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)benzohydrazide (CAS 1022610-19-0)
- (E)-{[5-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]methylidene}amino benzoate (CAS 318284-50-3)
- 4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}-n'-hydroxybenzene-1-carboximidamide (CAS 263161-24-6)
- 6-Chloro-4-[(2,2,3,3-d4-cyclopropylethynyl)trifluoromethylhydroxymethyl]-3H-benzoxazol-2-one (CAS 1189694-49-2)
- 1-Chloro-2-methyl-4-(2-nitro-4-(trifluoromethyl)phenoxy)benzene (CAS 1799-97-9)
- [5-Chloro-2-[(2,2,2-Trifluoroethyl)Amino]Phenyl] 2-Fluorophenyl Ketone (CAS 50939-39-4)
- 2-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)-3-methoxybenzaldehyde (CAS 937604-86-9)
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Recommended Standards
- N-(6-Chloropyridazin-3-yl)-2-(3-(trifluoromethoxy)phenyl)acetamide (CAS 1439400-46-0)
- (E)-N'-(5-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)pyrimidin-2-yl)-N-methoxyformimidamide (CAS 339010-72-9)
- 8-Hydroxy Efavirenz (~90%) (CAS 205754-33-2)
- rac 8-Hydroxy Efavirenz (CAS 205754-32-1)
- Isopimaric Acid (CAS 5835-26-7)
- 2-(4,4-Dimethyl-4,5-dihydrooxazol-2-yl)-N,N-diethylpropanamide (CAS 798562-04-6)
- 1-Styrylnaphthalene (CAS 2043-00-7)
- 2-Chloro-n-[4-(methylsulfanyl)phenyl]propanamide (CAS 1016753-59-5)
- 5-{[3-(dimethylamino)propyl]sulfamoyl}-2-methylbenzoic acid (CAS 1042503-62-7)
- 1-methyl-1H-1,2,3-triazole-5-carbaldehyde (CAS 202931-88-2)
- Benzyl (1,2,3,4-tetrahydronaphthalen-1-yl)carbamate (CAS 197173-36-7)
- 1-((2-Chloro-4-morpholinothieno[3,2-d]pyrimidin-6-yl)methyl)-N-cyclobutyl-N-methylpiperidin-4-amine (CAS 1147423-09-3)
- (S)-4-Cbz-3-morpholinecarboxylic Acid (CAS 819078-65-4)
- [14-31]-Semaglutide (CAS CATO-C4X-2226262)
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