1-[2-(4-Bromophenyl)-2-oxoethyl]-3-[(3-chlorophenyl)methyl]imidazolidine-2,4,5-trione CAS 303986-39-2
| CAS No. | 303986-39-2 |
| Molecular Formula | C18H12BrClN2O4 |
| Molecular Weight | 435.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 1-[2-(4-Bromophenyl)-2-oxoethyl]-3-[(3-chlorophenyl)methyl]imidazolidine-2,4,5-trione (CAS 303986-39-2), a certified reference material (molecular formula C18H12BrClN2O4, MW 435.66 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H12BrClN2O4, 1-[2-(4-Bromophenyl)-2-oxoethyl]-3-[(3-chlorophenyl)methyl]imidazolidine-2,4,5-trione contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 435.66 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H12BrClN2O4 |
| Molecular Weight | 435.66 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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