4,5-Dibromo-1,3-dimethyl-1H-pyrazole CAS 5744-71-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5744-71-8 |
| Molecular Formula | C5H6Br2N2 |
| Molecular Weight | 253.92 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4,5-Dibromo-1,3-dimethyl-1H-pyrazole (CAS 5744-71-8) pharmaceutical standards reference standard. Molecular formula: C5H6Br2N2. Molecular weight: 253.92 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C5H6Br2N2 |
| Molecular Weight | 253.92 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.) | 1958 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Dibromo Standards
- 3,5-Dibromo-1,4-dimethyl-1H-pyrazole (CAS 134589-54-1)
- 3,5-Dibromo-1-ethyl-1H-pyrazole (CAS 1596745-76-4)
- 4,5-Dibromo-1,2-dimethyl-1H-imidazole (CAS 16954-05-5)
- 2,4-Dibromo-1,5-dimethyl-1H-imidazole (CAS 850429-57-1)
- 2,5-Dibromo-1,4-dimethyl-1H-imidazole (CAS 850429-58-2)
- 3,4-Dibromo-1,5-dimethyl-1h-pyrazole (CAS 5775-95-1)
- 4,5-Dibromo-2-ethyl-1H-imidazole (CAS 4002-82-8)
- 1,3-Dibromo-5-fluorobenzene (CAS 1435-51-4)
Recommended Standards
- 4-Bromo-1-(2-bromoethyl)-1H-pyrazole (CAS 214614-82-1)
- Tetrachlorothiophene Dioxide (CAS 72448-17-0)
- (S)-2-(4-(2,4-Dichlorophenoxy)butanamido)-3-(1H-indol-3-yl)propanoic acid (CAS 5462-19-1)
- Tert-butyl methyl(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclohex-3-en-1-yl)carbamate (CAS 1572399-64-4)
- N-(6,7-Dihydro-5-methyl-6-oxo-5H-dibenz[b,d]azepin-7-yl)-(αR)-hydroxy-benzeneacetamide (CAS 1246812-12-3)
- Paliperidone Palmitate-d4 (CAS 1794685-21-4)
- [1-(pyridin-2-yl)azetidin-3-yl]methanol (CAS 1420975-94-5)
- 3-(2-Chlorophenyl)-1-methyl-5-phenyl-4-propoxy-1H-pyrazole (CAS 60627-69-2)
- (1-(tert-Butoxycarbonyl)-7-chloro-6-cyano-1H-indol-3-yl)boronic acid (CAS 2750639-89-3)
- Semaglutide impurity 76 (CAS CATO-C4X-222676)
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