4,5-Dibromo-1-methyl-1H-pyrazole CAS 70951-86-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 70951-86-9 |
| Molecular Formula | C4H4Br2N2 |
| Molecular Weight | 239.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4,5-Dibromo-1-methyl-1H-pyrazole (CAS 70951-86-9) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C4H4Br2N2. Molecular weight: 239.90 g/mol. COA included with every batch.
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.) | 1977 |
| 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)
- 3,4-Dibromo-5-methylpyrazole (CAS 5932-19-4)
- 3,5-Dibromo-4-methyl-1H-pyrazole (CAS 60061-54-3)
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)
- 3-(Difluoromethyl)-5-methoxy-4-methylpyridin-2-amine (CAS 1804366-76-4)
- Diethyl 2-methylenemalonate (CAS 3377-20-6)
- 1-Methyl-4-(prop-1-yn-1-yl)benzene (CAS 2749-93-1)
- Methyl 7-bromo-1H-indole-2-carboxylate (CAS 1158503-82-2)
- Carprofen EP Impurity B (CAS 52263-68-0)
- 4-[(2,5-Dioxotetrahydro-1H-imidazol-4-yliden)methyl]phenyl 3-Chloro-2,2-dimethylpropanoate (CAS 245072-83-7)
- Neuropeptide S (rat) (CAS 412938-75-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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