1-(4-Chlorophenyl)-2-imidazolidinone CAS 14088-99-4
| CAS No. | 14088-99-4 |
| Molecular Formula | C9H9ClN2O |
| Molecular Weight | 196.63 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.
1-(4-Chlorophenyl)-2-imidazolidinone (CAS 14088-99-4), molecular formula C9H9ClN2O and molecular weight 196.63 g/mol, is a CATO reference standard with documented purity and traceability.
1-(4-Chlorophenyl)-2-imidazolidinone (C9H9ClN2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C9H9ClN2O |
| Molecular Weight | 196.63 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 1-(3-Chlorophenyl)imidazolidin-2-one (CAS 14088-98-3)
- 9-Chloro-2,3,4,5-tetrahydro-1-benzoxepin-5-one (CAS 141106-24-3)
- 6-Chloro-3,3-dimethyl-1H,2H,3H-pyrrolo[3,2-c]pyridin-2-one (CAS 1403899-43-3)
- 5-Chloro-1-ethynyl-2,3-dimethoxybenzene (CAS 1416438-49-7)
- Ethyl 2-chloro-4-(cyclopropylamino)pyrimidine-5-carboxylate (CAS 1192711-36-6)
- 4-Oxo-4-(4-propylphenyl)butanoyl chloride (CAS 1429309-23-8)
- 3-(3,5-Dimethylphenyl)-3h-[1,2,3]triazolo[4,5-d]pyrimidine-7-thiol (CAS 1082437-15-7)
- 3-(3,5-Dichlorophenyl)-2-methylpropanoic acid (CAS 1269527-81-2)
- 6,7-Difluoro-2-methyl-1H-indole-5-carbonitrile (CAS 1956324-97-2)
- 8-HYdroxy-imidazo[1,2-a]pyrazine-2-carboxylic acid ethyl ester hydrobromide (CAS 1951439-66-9)
- methyl 6-cyano-1H-indole-2-carboxylate (CAS 104291-83-0)
- 3-Amino-5-(trifluoromethoxy)phenol (CAS 1261650-51-4)
- N-(2,4-Diaminoquinazolin-6-yl)-2-(3-(trifluoromethyl)phenyl)acetamide (CAS 55096-42-9)
- Des-Gln19-Tirzepatide (CAS CATO-CPTD788954)
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