2-(2,4-Dichlorophenyl)-N-(o-tolyl)quinoline-4-carboxamide CAS 337501-71-0
| CAS No. | 337501-71-0 |
| Molecular Formula | C23H16Cl2N2O |
| Molecular Weight | 407.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-(2,4-Dichlorophenyl)-N-(o-tolyl)quinoline-4-carboxamide (C23H16Cl2N2O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 407.29 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
2-(2,4-Dichlorophenyl)-N-(o-tolyl)quinoline-4-carboxamide (CAS 337501-71-0) is a high-purity analytical reference standard with the molecular formula C23H16Cl2N2O and a molecular weight of 407.29 g/mol.
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), 2-(2,4-Dichlorophenyl)-N-(o-tolyl)quinoline-4-carboxamide 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 | C23H16Cl2N2O |
| Molecular Weight | 407.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Dichlorophenyl Standards
- 2-(2-(4-(3,4-Dichlorophenyl)piperazin-1-yl)ethyl)-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one (CAS 860611-78-5)
- N-(2,3-dichlorophenyl)-6-methyl-2-phenylquinoline-4-carboxamide (CAS 337502-85-9)
- N-(3,4-dichlorophenyl)-6-methyl-2-phenylquinoline-4-carboxamide (CAS 337501-99-2)
- (Z)-5-((5-(3,4-dichlorophenyl)furan-2-yl)methylene)-2-(piperidin-1-yl)thiazol-4(5H)-one (CAS 373371-10-9)
- N-(3,5-dichlorophenyl)-1-(4-((furan-2-ylmethyl)thio)-3-nitrophenyl)methanimine (CAS 256521-69-4)
- 4-(3,4-Dichlorophenyl)-5-{[3-(trifluoromethyl)phenyl]sulfanyl}-1,2,3-thiadiazole (CAS 400082-15-7)
- 3-(2,6-Dichlorophenyl)-N-(2,5-dimethoxyphenyl)-5-methylisoxazole-4-carboxamide (CAS 331847-98-4)
- 3-(3,4-Dichlorophenyl)-5-phenoxy-[1,2,4]triazolo[4,3-c]quinazoline (CAS 477853-50-2)
Recommended Standards
- (E)-Dichlorodenafil, >98% (CAS 1469486-82-5)
- 4-(4-Chlorophenyl)-2-[4-(3-chlorophenyl)piperazin-1-yl]-4-oxobutanoic acid (CAS 139084-71-2)
- n1,n4-Bis(4-chlorophenyl)-1,4-diazepane-1,4-dicarboxamide (CAS 710329-24-1)
- N-(4-Bromophenyl)-2-((4-ethyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 618412-90-1)
- 3-(5,5-Dimethyl-1,3,2-dioxaborinan-2-yl)-2-fluoropyridine (CAS 1287752-87-7)
- 2-(3-Chlorobenzyl)-3-(3-chlorophenyl)propanoic acid (CAS 1184083-44-0)
- (3S,4R,5R,6R)-1,3,4,5,6,7-Hexahydroxyheptan-2-one (CAS 3019-74-7)
- 4,4,5,5-Tetramethyl-2-(4-(perfluoroethoxy)phenyl)-1,3,2-dioxaborolane (CAS 1818380-85-6)
- 3,3-Dimethyl-1-({4-methyl-2-[4-(trifluoromethyl)phenyl]-1,3-thiazol-5-yl}methyl)azetidin-2-one (CAS 866018-73-7)
- 3-([1,1'-Biphenyl]-4-yl)-5-(o-tolyl)-1H-1,2,4-triazole (CAS 69095-82-5)
- Moxifloxacin Impurity 74 (CAS CATO-C4X-107474)
- n-Allyl-5-bromo-2-hydroxybenzamide (CAS 1007632-42-9)
- Eldecalcitol Impurity 48 (CAS 197647-61-3)
- Semaglutide impurity 87 (CAS CATO-C4X-222687)
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