4-Hydroxy-1,3-dimesityl-1H-imidazol-3-ium chloride CAS 1188286-70-5
| CAS No. | 1188286-70-5 |
| Molecular Formula | C21H25N2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Hydroxy-1,3-dimesityl-1H-imidazol-3-ium chloride (CAS 1188286-70-5) is a high-purity analytical reference standard with the molecular formula C21H25N2OCl and a molecular weight of 356.89 g/mol.
Based on its molecular formula C21H25N2OCl, 4-Hydroxy-1,3-dimesityl-1H-imidazol-3-ium chloride contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 356.89 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).
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.
As a certified reference material (CRM), 4-Hydroxy-1,3-dimesityl-1H-imidazol-3-ium chloride meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C21H25N2O Cl |
| Molecular Weight | 356.89 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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- 3-Isopropyl-2-azaspiro[3.5]Nonan-1-one (CAS 1864998-37-7)
- N-(4-Ethylphenyl)-4,7,7-trimethyl-2,3-dioxobicyclo[2.2.1]heptane-1-carboxamide (CAS 622355-77-5)
- Fexofenadine-d6 Methyl Ester (CAS 1286458-00-1)
- Semaglutide Impurity 184 (CAS CATO-C4X-2226184)
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