N-(2-Chlorobenzyl)-2-(4-ethyl-4-(4-fluorophenyl)-2,5-dioxoimidazolidin-1-yl)acetamide CAS 722478-59-3
| CAS No. | 722478-59-3 |
| Molecular Formula | C20H19ClFN3O3 |
| Molecular Weight | 403.83 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-(2-Chlorobenzyl)-2-(4-ethyl-4-(4-fluorophenyl)-2,5-dioxoimidazolidin-1-yl)acetamide.
N-(2-Chlorobenzyl)-2-(4-ethyl-4-(4-fluorophenyl)-2,5-dioxoimidazolidin-1-yl)acetamide (CAS 722478-59-3), molecular formula C20H19ClFN3O3 and molecular weight 403.83 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H19ClFN3O3, N-(2-Chlorobenzyl)-2-(4-ethyl-4-(4-fluorophenyl)-2,5-dioxoimidazolidin-1-yl)acetamide 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 403.83 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C20H19ClFN3O3 |
| Molecular Weight | 403.83 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related N Standards
- N-(4-chlorobenzyl)-2-(1-oxo-4-phenylphthalazin-2(1H)-yl)acetamide (CAS 866153-80-2)
- 1-((2-Chlorobenzyl)oxy)-2-(3-(trifluoromethyl)phenyl)-1H-imidazo[4,5-b]pyridine (CAS 400087-59-4)
- 1-Benzyl-4-(4-chlorobenzyl)-6,7-dimethoxyisoquinoline (CAS 62334-31-0)
- 3-(2-Chlorobenzyl)-2-(isopropylthio)-6,7-dimethoxyquinazolin-4(3H)-imine (CAS 860610-73-7)
- 3-(2-Chlorobenzyl)-6,7-dimethoxy-2-(propylthio)quinazolin-4(3H)-imine (CAS 860610-74-8)
- 1-((2-Chlorobenzyl)oxy)-2-(2,4-dichlorophenyl)-1H-imidazo[4,5-b]pyridine (CAS 400088-65-5)
- 1-((3-Chlorobenzyl)oxy)-2-(2,4-dichlorophenyl)-1H-imidazo[4,5-b]pyridine (CAS 338978-56-6)
- 1-((4-Chlorobenzyl)oxy)-2-(2,4-dichlorophenyl)-1H-imidazo[4,5-b]pyridine (CAS 338978-55-5)
Recommended Standards
- 7-Bromo-2,4-dichloro-6-iodoquinazoline (CAS 2771459-71-1)
- Tegoprazan Impurity 89 (CAS CATO-C4X-229789)
- 4-(4-(4-(Trifluoromethyl)phenyl)thiazol-2-yl)benzenesulfonyl chloride (CAS 446883-84-7)
- 2,2'-Dibromo-3'-iodoacetophenone (CAS 1261644-52-3)
- 6-(Furan-3-yl)nicotinic acid (CAS 1192977-14-2)
- 6-Ethyl-3-propionyl-2H-pyran-2,4(3H)-dione (CAS 35236-85-2)
- 3-Methoxyphenethylmagnesium bromide, 0.5M 2-MeTHF (CAS 125159-92-4)
- 1,7-Dimethylnaphthalene (CAS 575-37-1)
- n-Cyclopropyl-2-((thiophen-2-ylmethyl)thio)acetamide (CAS 1181497-94-8)
- 2-Isobutyl-4,5-dimethylthiazole (CAS 53498-32-1)
- 4-(Isocyanatomethyl)benzonitrile (CAS 1205556-81-5)
- 4-Cyano-2,5-difluorobenzyl amine (CAS 433940-06-8)
- 2-(4-Chloro-3-methylphenoxy)propanehydrazide (CAS 125096-54-0)
- Des-Lys20(Side Chain)-Semaglutide (CAS CATO-C4X-2226280)
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