4-Bromo-2-(pyridin-4-yl)pyridazin-3(2h)-one CAS 2251053-99-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2251053-99-1 |
| Molecular Formula | C9H6BrN3O |
| Molecular Weight | 252.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-2-(pyridin-4-yl)pyridazin-3(2h)-one (CAS 2251053-99-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H6BrN3O. Molecular weight: 252.07 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H6BrN3O |
| Molecular Weight | 252.07 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 4-Bromo-2-(pyridin-3-yl)pyridazin-3(2h)-one (CAS 2251053-31-1)
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- 4-Bromo-2-(pyridin-2-yl)pyridazin-3(2h)-one (CAS 2251053-93-5)
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