2-Chloro-4,5-diphenyl-1H-imidazole CAS 49855-38-1
| CAS No. | 49855-38-1 |
| Molecular Formula | C15H11ClN2 |
| Molecular Weight | 254.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-4,5-diphenyl-1H-imidazole (CAS 49855-38-1), molecular formula C15H11ClN2 and molecular weight 254.71 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C15H11ClN2, 2-Chloro-4,5-diphenyl-1H-imidazole contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 254.71 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.
As a certified reference material (CRM), 2-Chloro-4,5-diphenyl-1H-imidazole 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 | C15H11ClN2 |
| Molecular Weight | 254.71 g/mol |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 2-Chloro-N-(2-((2,3-dimethylphenyl)amino)-2-oxoethyl)acetamide (CAS 743456-90-8)
- 6,8-Dibromo-4-chloroquinoline (CAS 1247438-27-2)
- 8-Chloro-3,3,4,4-tetramethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918646-22-7)
- 2-Chloro-5-iodo-4,6-dimethylpyridine-3-carboxylic acid (CAS 2197057-50-2)
- 4-Ethoxyphenyl chloroformate (CAS 37782-55-1)
- 2-(Ethylthio)-3-(pyrrolidin-2-yl)pyridine (CAS 1352492-94-4)
- 2-(4-fluoro-3-methylphenyl)acetaldehyde (CAS 1256475-84-9)
- Ethyl 7-cyclohexyl-7-oxoheptanoate (CAS 898753-77-0)
- Methyl 1-(2-chlorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxylate (CAS 320419-76-9)
- 4-Ethoxyphenyl 4-hydroxybenzoate (CAS 50687-63-3)
- Insulin Degludec Impurity 5 (CAS CATO-C4X-21575)
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