N-(4-chlorophenyl)-5-oxo-2-(trifluoromethyl)-5H-chromeno[2,3-b]pyridine-3-carboxamide CAS 339020-62-1
| CAS No. | 339020-62-1 |
| Molecular Formula | C20H10ClF3N2O3 |
| Molecular Weight | 418.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including N-(4-chlorophenyl)-5-oxo-2-(trifluoromethyl)-5H-chromeno[2,3-b]pyridine-3-carboxamide.
CATO supplies N-(4-chlorophenyl)-5-oxo-2-(trifluoromethyl)-5H-chromeno[2,3-b]pyridine-3-carboxamide (CAS 339020-62-1), a certified reference material (molecular formula C20H10ClF3N2O3, MW 418.75 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H10ClF3N2O3, N-(4-chlorophenyl)-5-oxo-2-(trifluoromethyl)-5H-chromeno[2,3-b]pyridine-3-carboxamide contains a steroid core, 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 418.75 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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-(4-chlorophenyl)-5-oxo-2-(trifluoromethyl)-5H-chromeno[2,3-b]pyridine-3-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 | C20H10ClF3N2O3 |
| Molecular Weight | 418.75 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related N Standards
- N-{[(4-chlorophenyl)carbamothioyl]amino}-2-(2,4-dichlorophenoxy)propanamide (CAS 894576-62-6)
- 7-[(E)-2-[(3-Chlorophenyl)methylidene]hydrazin-1-yl]-2,4-bis(trifluoromethyl)-1,8-naphthyridine (CAS 338962-22-4)
- 7-[(E)-2-[(4-Chlorophenyl)methylidene]hydrazin-1-yl]-2,4-bis(trifluoromethyl)-1,8-naphthyridine (CAS 338773-23-2)
- 2-(4-Chlorophenyl)-2-oxoethyl 2-acetamido-2-[(4-methoxyphenyl)carbamoyl]acetate (CAS 551920-98-0)
- (4Z)-2-[(4-Chlorophenyl)methoxy]-4-{[(4-methylphenyl)amino]methylidene}-1,2,3,4-tetrahydroisoquinoline-1,3-dione (CAS 338419-55-9)
- 9B-(4-chlorophenyl)-1-(3-methoxybenzoyl)-1,2,3,9b-tetrahydro-5H-imidazo[2,1-a]isoindol-5-one (CAS 477886-54-7)
- N-(4-chlorophenyl)-2-((4-fluoro-N-phenylphenyl)sulfonamido)acetamide (CAS 339103-36-5)
- 2-{[(2-chlorophenyl)methyl]sulfanyl}-4-(2,4-difluorophenoxy)-5,6,7,8-tetrahydroquinazoline (CAS 339019-34-0)
Recommended Standards
- 4-Desacetamido-4-chloro Andarine (CAS 541497-92-1)
- 4,4-Dioctyl-4H-silolo[3,2-b:4,5-b]dithiophene (CAS 1160106-12-6)
- Triiodoacetonitrile (CAS 861069-59-2)
- 4,4-Bis(2-ethylhexyl)-4H-silolo[3,2-b:4,5-b']dithiophene (CAS 1207627-85-7)
- 1,2-Difluoro-3-ethoxy-5-nitrobenzene (CAS 1804884-60-3)
- 3-((2,6-Dichlorobenzyl)oxy)-N-(2,4-difluorophenyl)thiophene-2-carboxamide (CAS 344269-91-6)
- methyl (S)-2-hydroxy-3-mercaptopropanoate (CAS 103004-09-7)
- Midazolam Impurity 1 (CAS 59468-90-5)
- 3-Chloro-9H-pyrido[2,3-b]indol-5-ol (CAS 1005498-50-9)
- 2-(Difluoromethyl)-6-methyl-5-(trifluoromethoxy)pyridine-3-acetonitrile (CAS 1361776-15-9)
- 2-Chloro-4-[(dimethylcarbamoyl)amino]benzoic acid (CAS 59587-01-8)
- Epimetendiol (CAS 132830-78-5)
- Daminozide (CAS 1596-84-5)
- D-Thr7-Tirzepatide (CAS CATO-CPTD788924)
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