Ethyl 4-bromo-1-(tert-butyl)-5-methyl-1H-pyrazole-3-carboxylate CAS 2391987-03-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2391987-03-2 |
| Molecular Formula | C11H17BrN2O2 |
| Molecular Weight | 289.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 4-bromo-1-(tert-butyl)-5-methyl-1H-pyrazole-3-carboxylate (CAS 2391987-03-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C11H17BrN2O2. Molecular weight: 289.17 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C11H17BrN2O2 |
| Molecular Weight | 289.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
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