N-(2-chlorophenyl)-N'-[6-chloro-4-(trifluoromethyl)-2-pyridyl]urea CAS 256471-15-5
| CAS No. | 256471-15-5 |
| Molecular Formula | C13H8Cl2F3N3O |
| Molecular Weight | 350.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-(2-chlorophenyl)-N'-[6-chloro-4-(trifluoromethyl)-2-pyridyl]urea (CAS 256471-15-5) is a high-purity analytical reference standard with the molecular formula C13H8Cl2F3N3O and a molecular weight of 350.12 g/mol.
Based on its molecular formula C13H8Cl2F3N3O, N-(2-chlorophenyl)-N'-[6-chloro-4-(trifluoromethyl)-2-pyridyl]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 350.12 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).
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.
As a certified reference material (CRM), N-(2-chlorophenyl)-N'-[6-chloro-4-(trifluoromethyl)-2-pyridyl]urea 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 | C13H8Cl2F3N3O |
| Molecular Weight | 350.12 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| 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 N Standards
- N-(3-chlorophenyl)-N'-[6-chloro-4-(trifluoromethyl)-2-pyridyl]urea (CAS 256471-16-6)
- 2-(4-Chlorophenyl)-4-[(4-chlorophenyl)methoxy]-5-methyl-1,3-thiazole (CAS 338409-53-3)
- 5-(3-Chlorophenyl)-4-(1-(4-chlorophenyl)ethyl)-4H-1,2,4-triazole-3-thiol (CAS 909352-57-4)
- 2-{[(4-chlorophenyl)methyl]sulfanyl}-4-(methoxymethyl)-6-(pyrrolidin-1-yl)pyrimidine (CAS 338747-99-2)
- N-(2-(3-Chlorophenyl)-2,6-dihydro-4H-thieno[3,4-c]pyrazol-3-yl)-2-ethylbutanamide (CAS 450340-45-1)
- N-(4-Chlorophenyl)-2-((1-cyclohexyl-1H-imidazol-2-yl)thio)acetamide (CAS 946367-84-6)
- 2-(4-Chlorophenyl)-4-(4-methanesulfonylphenyl)-1,3-thiazole (CAS 900019-16-1)
- 2-(2-((5-(4-Chlorophenyl)thieno[2,3-d]pyrimidin-4-yl)amino)ethoxy)ethan-1-ol (CAS 457919-69-6)
Recommended Standards
- Dimethyl perfluoro-3,6-dioxaoctane-1,8-dioate (CAS 24647-20-9)
- N-(3,4-dichlorophenyl)-2,2-difluoro-2-(4-fluorophenoxy)acetamide (CAS 338792-46-4)
- 3-Chloro-N'-(4-chlorophenyl)-N-hydroxy-5-(trifluoromethyl)picolinimidamide (CAS 303997-64-0)
- 2,6-Dichloro-N'-(3-(trifluoromethyl)pyridin-2-yl)benzohydrazide (CAS 400085-89-4)
- 6-Methoxy-2H-chromene (CAS 18385-84-7)
- 6-Amino-2-(benzylamino)pyrimidin-4(3H)-one (CAS 104296-01-7)
- N-(Benzo[c]isothiazol-3-yl)acetamide (CAS 34250-70-9)
- 3-(6-Fluoro-1H-benzo[d]imidazol-2-yl)propan-1-amine (CAS 883541-03-5)
- 4-Heptanesulfonamide (CAS 1249684-86-3)
- N-(2-(2-(Thiophen-2-yl)-1H-indol-3-yl)ethyl)acetamide (CAS 823821-79-0)
- N1-(2-(Dimethylamino)ethyl)-5-methoxy-N1-methyl-2-nitrobenzene-1,4-diamine (CAS 1825288-95-6)
- (5-(Benzyloxy)-2-methylphenyl)methanol (CAS 1450931-37-9)
- 3-Chloro-5-(hydroxymethyl)benzoic Acid (CAS 153203-56-6)
- (2S)-2-amino-4-(hydroxymethylphosphinyl)butanoyl-L-alanyl-L-alanine (2S)-2-amino-4-[hydroxy(methyl)phosphinoyl]butyryl-L-alanyl-L-alanine 2-Amino-4-(methylphosphino)butyrylalanylalanine 35597-43-4 Antibiotic SF 1293 Bialaphos CHEBI:3088 L-phosphinothricyl-L-alanyl-L-alanine N-{(2S)-2-amino-4-[hydroxy(methyl)phosphoryl]butanoyl}-L-alanyl-L-alanine PTT Phosphinothricylalanylalanine bilanafos gamma-(Hydroxymethylphosphinyl)-L-alpha-aminobutyryl-L-alanyl-L-alanine phosphinothricin tripeptide (CAS 35597-43-4)
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