Ethyl 2-(4-isopropyl-4-methyl-5-oxo-4,5-dihydro-1H-imidazol-2-yl)nicotinate CAS 81333-63-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 81333-63-3 |
| Molecular Formula | C15H19N3O3 |
| Molecular Weight | 289.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 2-(4-isopropyl-4-methyl-5-oxo-4,5-dihydro-1H-imidazol-2-yl)nicotinate (CAS 81333-63-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H19N3O3. Molecular weight: 289.33 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H19N3O3 |
| Molecular Weight | 289.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- Ethyl 2-(4-(4-isopropylphenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)acetate (CAS 866149-33-9)
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- N,N-Dimethylbenzofuran-2-amine (CAS 53541-62-1)
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- Decahydronaphthalene-1-carboxylic acid (CAS 7384-42-1)
- 3-(4-Bromo-3-methylphenyl)-5-methylisoxazole-4-carboxylic acid (CAS 1500083-83-9)
- Methyl 3-(2-methylpyridin-3-yl)propanoate (CAS 137146-30-6)
- 2-tert-Butyl-9-hydroxy-7,8-dihydro-5H-1,4,6,9a-tetraaza-cyclopenta[b]naphthalene-6-carboxylic acid tert-butyl ester (CAS 1229624-56-9)
- D-[Arg]30-Semaglutide (CAS CATO-C4X-222653)
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