4-Bromo-3-(difluoromethoxy)-1-methyl-1H-pyrazole CAS 2665661-07-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2665661-07-2 |
| Molecular Formula | C5H5BrF2N2O |
| Molecular Weight | 227.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-Bromo-3-(difluoromethoxy)-1-methyl-1H-pyrazole (CAS 2665661-07-2) pharmaceutical standards reference standard. Molecular formula: C5H5BrF2N2O. Molecular weight: 227.01 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C5H5BrF2N2O |
| Molecular Weight | 227.01 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 4-Bromo-2-nitrobenzonitrile (CAS 79603-03-5)
- 4-Bromoisobenzofuran-1,3-dione (CAS 82-73-5)
- 3-Bromo-5-nitrobenzonitrile (CAS 49674-15-9)
- (1S,3R)-3-(trifluoromethyl)cyclohexan-1-amine hydrochloride (CAS 2231665-11-3)
- 1-(4-((5-(tert-Butyl)-2-ethoxyphenyl)sulfonyl)piperazin-1-yl)ethan-1-one (CAS 942788-52-5)
- 1-Ethyl-3-iodo-1H-indole-2-carboxylic acid (CAS 1263209-10-4)
- 4-Methyl-5-(1-methyl-3-(trifluoromethyl)-1h-pyrazol-5-yl)-4h-1,2,4-triazole-3-thiol (CAS 1001567-71-0)
- 1-(4-Ethylbenzyl)-1h-1,2,3-triazol-4-amine (CAS 1501433-64-2)
- Methyl 2-bromo-5-methoxy-4-methylbenzoate (CAS 87808-28-4)
- Semaglutide impurity 86 (CAS CATO-C4X-222686)
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