(2E)-3-{4-[(2-chloro-6-fluorophenyl)methoxy]phenyl}-N-(3-methoxypropyl)prop-2-enamide CAS 477870-66-9
| CAS No. | 477870-66-9 |
| Molecular Formula | C20H21ClFNO3 |
| Molecular Weight | 377.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (2E)-3-{4-[(2-chloro-6-fluorophenyl)methoxy]phenyl}-N-(3-methoxypropyl)prop-2-enamide is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(2E)-3-{4-[(2-chloro-6-fluorophenyl)methoxy]phenyl}-N-(3-methoxypropyl)prop-2-enamide (CAS 477870-66-9), molecular formula C20H21ClFNO3 and molecular weight 377.84 g/mol, is a CATO reference standard with documented purity and traceability.
(2E)-3-{4-[(2-chloro-6-fluorophenyl)methoxy]phenyl}-N-(3-methoxypropyl)prop-2-enamide (C20H21ClFNO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), (2E)-3-{4-[(2-chloro-6-fluorophenyl)methoxy]phenyl}-N-(3-methoxypropyl)prop-2-enamide 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 | C20H21ClFNO3 |
| Molecular Weight | 377.84 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related E Standards
- N-(3-Chloro-4-methoxybenzyl)-4-(4-fluorophenyl)tetrahydro-1(2H)-pyrazinecarboxamide (CAS 866137-32-8)
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- 4-Chloro-N-(4-(2-(1,3-dioxoisoindolin-2-yl)ethyl)thiazol-2-yl)butanamide (CAS 866050-85-3)
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Recommended Standards
- Butyl N-benzoyl-N-(3-chloro-4-fluorophenyl)alaninate (CAS 1396965-66-4)
- 5-(4-Chlorophenyl)-3-hydroxy-1-(2-methoxyethyl)-4-(thiophene-2-carbonyl)-1H-pyrrol-2(5H)-one (CAS 371142-69-7)
- 2-(1-((4-Chlorostyryl)sulfonyl)indolin-3-yl)acetic acid (CAS 1390737-68-4)
- Ethyl 2-(2-chlorobenzamido)-7-oxo-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 331760-66-8)
- 3-[Chloro(difluoro)methoxy]-1,2-difluoro-4-nitro-benzene (CAS 1417567-90-8)
- Ethyl 5-oxo-5-(2,4,5-trimethoxyphenyl)pentanoate (CAS 951887-87-9)
- 4-Methyl-4h-1,2,4-triazol-3-amine (CAS 16681-76-8)
- 3-(4-(3-(Methylamino)propyl)-1H-pyrazol-1-yl)propanenitrile (CAS 1343784-71-3)
- 1-(4-Bromo-5-phenyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)ethan-1-one (CAS 808764-25-2)
- N-((4-(cyanomethyl)phenyl)carbamoyl)-4-methylbenzenesulfonamide (CAS 128924-18-5)
- 2-(2-Chloro-4-(piperidin-1-ylsulfonyl)phenoxy)acetic acid (CAS 831230-69-4)
- 1-Fluoro-3-methyl-2-(trifluoromethoxy)benzene (CAS 1804411-03-7)
- 4-Bromo-2-fluoro-1-phenoxybenzene (CAS 230961-77-0)
- [D-Glu]3-Semaglutide (CAS CATO-C4X-2226253)
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