N-(2,4-dichlorophenyl)-3-phenyl-6-(trifluoromethyl)-1H-pyrazolo[4,3-b]pyridine-1-carboxamide CAS 321432-51-3
| CAS No. | 321432-51-3 |
| Molecular Formula | C20H11Cl2F3N4O |
| Molecular Weight | 451.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, N-(2,4-dichlorophenyl)-3-phenyl-6-(trifluoromethyl)-1H-pyrazolo[4,3-b]pyridine-1-carboxamide (C20H11Cl2F3N4O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 451.23 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
N-(2,4-dichlorophenyl)-3-phenyl-6-(trifluoromethyl)-1H-pyrazolo[4,3-b]pyridine-1-carboxamide (CAS 321432-51-3), molecular formula C20H11Cl2F3N4O and molecular weight 451.23 g/mol, is a CATO reference standard with documented purity and traceability.
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-(2,4-dichlorophenyl)-3-phenyl-6-(trifluoromethyl)-1H-pyrazolo[4,3-b]pyridine-1-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 | C20H11Cl2F3N4O |
| Molecular Weight | 451.23 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 4 |
Related N Standards
- 5-(3,4-Dichlorophenyl)-4-methanesulfonyl-1-[4-(trifluoromethoxy)phenyl]-1H-pyrazole (CAS 400088-11-1)
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- 5-((2,5-Dichlorophenyl)sulfonyl)-7-(trifluoromethyl)-1,2,3,3a,4,5-hexahydropyrrolo[1,2-a]quinoxaline (CAS 861206-83-9)
- 9-(2,4-Dichlorophenyl)-2,4-bis(trifluoromethyl)-[1,2,4]triazolo[4,3-a]1,8-naphthyridine (CAS 338773-44-7)
- (5-((3,5-Dichlorophenyl)thio)-4-isopropyl-1-(pyridin-2-ylmethyl)-1H-imidazol-2-yl)methyl carbamate (CAS 178979-84-5)
- 2-{[(2,6-dichlorophenyl)methyl]sulfanyl}-4,5-diphenyl-1-(prop-2-en-1-yl)-1H-imidazole (CAS 339277-24-6)
- 2-{[(3,4-dichlorophenyl)methyl]sulfanyl}-4,5-diphenyl-1-(prop-2-en-1-yl)-1H-imidazole (CAS 339277-06-4)
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Recommended Standards
- 4-Chloro-N-(2-((2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)ethyl)amino)-2-oxoethoxy)benzamide (CAS 303151-67-9)
- N-{2-[(4-bromophenyl)sulfanyl]ethyl}-2-[(2,3-dichlorophenyl)sulfanyl]acetamide (CAS 337923-61-2)
- 4-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)(cyano)methyl)phenyl 4-chlorobenzoate (CAS 338770-44-8)
- Spiro-indolinone analogue, 71 (CAS 916047-16-0)
- tert-Butyl ((1S,2S)-2-methyl-3-oxo-1-phenylpropyl)carbamate (CAS 926308-17-0)
- 5-Bromo-1-(2-(2-chlorophenoxy)ethyl)-1H-indole-3-carbaldehyde (CAS 433320-27-5)
- 3,4-Dichlorobenzotrichloride (CAS 13014-24-9)
- Bevantolol Impurity 18 (CAS CATO-C4X-241118)
- Relebactam Impurity 68 (CAS CATO-C4X-214468)
- (R)-tert-Butyl 3-(pyridine-4-carbonylamino)piperidine-1-carboxylate (CAS 1349699-83-7)
- 4-((Cyclohexyloxy)methyl)benzenethiol (CAS 1443323-51-0)
- Propionic Acid Sodium Salt (CAS 137-40-6)
- 3-Allyl-1,6,7-trimethyloxazolo[2,3-f]purine-2,4(1H,3H)-dione (CAS 899997-44-5)
- Delta-Sleep Inducing Peptide (CAS 62568-57-4)
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