2-Methyl-4,5-diphenyl-1H-imidazole CAS 2818-82-8
| CAS No. | 2818-82-8 |
| Molecular Formula | C20H20N2 |
| Molecular Weight | 288.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C20H20N2, 2-Methyl-4,5-diphenyl-1H-imidazole contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 288.39 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).
2-Methyl-4,5-diphenyl-1H-imidazole (CAS 2818-82-8) is a high-purity analytical reference standard with the molecular formula C20H20N2 and a molecular weight of 288.39 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C20H20N2 |
| Molecular Weight | 288.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 3-(2,4-Dimethylphenyl)-2-sulfanylidene-1H,2H,3H,4H-thieno[3,2-d]pyrimidin-4-one (CAS 811451-04-4)
- 2-[2-Amino(ethyl)-4-methylanilino]-1-ethanol (CAS 1183355-71-6)
- 2,5-Dibromo-3,6-dimethylpyrazine, 96% (CAS 121594-49-8)
- Methyl 3-[(1,3-dioxaindan-5-yl)amino]butanoate (CAS 1155159-50-4)
- 3-(2,5-Dioxo-1-phenylimidazolidin-4-yl)propanoic acid (CAS 2179-05-7)
- 1,3:2,4-Bis-O-(3,4-dimethylbenzylidene)-D-sorbitol (CAS 135861-56-2)
- 2-(Cyclopropylsulfonyl)ethanamine (CAS 1785567-72-7)
- tert-Butyl (6-oxotetrahydro-2H-pyran-3-yl)carbamate (CAS 1824472-15-2)
- 3-Methyl-2-thienylzinc bromide 0.5 M in Tetrahydrofuran (CAS 312693-45-1)
- N-Ethylformamide (CAS 627-45-2)
- Semaglutide impurity 36 (CAS CATO-C4X-222636)
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