4,4-Dibromo-2,4-dihydro-5-methyl-3H-pyrazol-3-one CAS 33549-66-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 33549-66-5 |
| Molecular Formula | C4H4Br2N2O |
| Molecular Weight | 255.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4,4-Dibromo-2,4-dihydro-5-methyl-3H-pyrazol-3-one (CAS 33549-66-5) pharmaceutical standards reference standard. Molecular formula: C4H4Br2N2O. Molecular weight: 255.90 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C4H4Br2N2O |
| Molecular Weight | 255.90 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.) | 1966 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
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- 2-methanesulfonylpropan-1-amine hydrochloride (CAS 2031260-87-2)
- Methyl 7-bromo-9H-pyrido[3,4-b]indole-1-carboxylate (CAS 2119612-79-0)
- Galanin-Like Peptide (human) trifluoroacetate salt (CAS 245114-99-2)
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