3,4-Dibromo-5-methylpyrazole CAS 5932-19-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5932-19-4 |
| Molecular Formula | C4H4Br2N2 |
| Molecular Weight | 239.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,4-Dibromo-5-methylpyrazole (CAS 5932-19-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4H4Br2N2. Molecular weight: 239.90 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H4Br2N2 |
| Molecular Weight | 239.90 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
- 4,5-Dibromo-1-methylimidazole (CAS 1003-50-5)
- 3,5-Dibromo-1-methyl-1H-pyrazole (CAS 1361019-05-7)
- 2,4-Dibromo-1-methyl-1H-imidazole, 97% (CAS 53857-60-6)
- 2,5-Dibromo-1-methyl-1H-imidazole, 97% (CAS 53857-59-3)
- 2,5-Dibromo-4-methylimidazole (CAS 219814-29-6)
- 3,4-Dibromo-1-methyl-pyrazole (CAS 89607-14-7)
- 3,5-Dibromo-4-methyl-1H-pyrazole (CAS 60061-54-3)
- 4,5-Dibromo-1-methyl-1H-pyrazole (CAS 70951-86-9)
Recommended Standards
- 4,5-Dibromo-2-methyl-1H-imidazole (CAS 4002-81-7)
- 3,5-Dibromopyridine-d3 (CAS 1219799-05-9)
- 2,2,2-Trichloro-1,1-Dimethylethyl Chloroformate 66270-36-8 TCBoc-chloride |A,|A,|A-Trichloro-tert-butoxycarbonyl chloride |A,|A,|A-Trichloro-tert-butyl chloroformate (CAS 66270-36-8)
- 5-Oxo-1-(4-(trifluoromethyl)phenyl)pyrrolidine-3-carboxylic acid (CAS 2357-27-9)
- Mephenesin D3 (CAS CATO-C4X-244412)
- 673-40-5 CTK5C6052 boron(+3) cation; 4-bromobenzenediazonium; tetrafluoride (CAS 673-40-5)
- [(3R)-tetrahydrofuran-3-yl]hydrazine;hydrochloride (CAS 1364632-31-4)
- Ethyl (2-aminothiophene-3-carbonyl)carbamate (CAS 1171382-99-2)
- Carfilzomib Impurity 17 (CAS CATO-C4X-102217)
- Semaglutide Impurity 150 xTFA (CAS CATO-C4X-2226150)
Why CATO?
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