4-(2,4-Dichlorophenoxy)-N-(4-methoxybenzyl)butanamide CAS 303091-84-1
| CAS No. | 303091-84-1 |
| Molecular Formula | C18H19Cl2NO3 |
| Molecular Weight | 368.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(2,4-Dichlorophenoxy)-N-(4-methoxybenzyl)butanamide (CAS 303091-84-1) is a high-purity analytical reference standard with the molecular formula C18H19Cl2NO3 and a molecular weight of 368.25 g/mol.
4-(2,4-Dichlorophenoxy)-N-(4-methoxybenzyl)butanamide (C18H19Cl2NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, 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. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
CATO manufactures 4-(2,4-Dichlorophenoxy)-N-(4-methoxybenzyl)butanamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H19Cl2NO3 |
| Molecular Weight | 368.25 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 2-(4-Bromobenzenesulfinyl)-N-(4-methoxyphenyl)acetamide (CAS 339097-49-3)
- Methyl 2-(3-bromobenzamido)-4,5-dimethylthiophene-3-carboxylate (CAS 353781-69-8)
- 2-(2-(Allylamino)-4-oxo-4,5-dihydrothiazol-5-yl)-N-(4-bromophenyl)acetamide (CAS 898646-00-9)
- N'-((5-Bromo-4-methylpyridin-3-yl)methylene)-4-methylbenzenesulfonohydrazide (CAS 2586233-05-6)
- Tert-butyl 2-formyl-1H-pyrrolo[3,2-c]pyridine-1-carboxylate (CAS 853685-77-5)
- 2-Bromo-5-cyclobutyloxazole (CAS 1888918-38-4)
- N-(2-Ethoxyphenyl)-4-methylbenzamide (CAS 326898-79-7)
- 5-(Diethylamino)-2-nitrosophenol hydrochloride (CAS 25953-06-4)
- Nicardipine Impurity 53 (CAS CATO-C4X-171053)
- 2,4,6-Trifluorobenzyl Amine (CAS 214759-21-4)
- tert-Butyl 3-cyanobenzylcarbamate (CAS 916213-93-9)
- 4-(Cis-4-methylcyclohexyl)-1,1'-biphenyl (CAS 28864-95-1)
- (1s,3R,4S)-1-Amino-3,4-difluorocyclopentanecarboxylic acid hydrochloride (CAS 2488653-62-7)
- Semaglutide impurity 267 (CAS CATO-C4X-2226267)
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