5-Methyl-2-oxo-1-(3-(trifluoromethyl)phenyl)-2,3-dihydro-1H-imidazole-4-carboxylic acid CAS 1785764-76-2
| CAS No. | 1785764-76-2 |
| Molecular Formula | C12H9F3N2O3 |
| Molecular Weight | 286.21 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.
5-Methyl-2-oxo-1-(3-(trifluoromethyl)phenyl)-2,3-dihydro-1H-imidazole-4-carboxylic acid (CAS 1785764-76-2), molecular formula C12H9F3N2O3 and molecular weight 286.21 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H9F3N2O3, 5-Methyl-2-oxo-1-(3-(trifluoromethyl)phenyl)-2,3-dihydro-1H-imidazole-4-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 286.21 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.
Physical & Chemical Properties
| Molecular Formula | C12H9F3N2O3 |
| Molecular Weight | 286.21 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, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
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- 3-(3-Bromophenoxy)-N,N-diethylpropan-1-amine (CAS 1704065-25-7)
- 5-Methyl-1-(4-(trifluoromethoxy)phenyl)-1H-pyrazole-4-carboxylic acid (CAS 187998-60-3)
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- 1-[(4-Isobutylphenyl)sulfonyl]piperidin-4-one (CAS 1170250-98-2)
- 4-Bromo-1-(2-fluorobenzyl)-1H-pyrazole (CAS 957479-38-8)
- Neuroendocrine Regulatory Peptide-1 (rat) (CAS 954420-51-0)
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