4,5-Dichloro-2-(pyridin-2-yl)pyridazin-3(2H)-one CAS 78389-19-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 78389-19-2 |
| Molecular Formula | C9H5Cl2N3O |
| Molecular Weight | 242.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4,5-Dichloro-2-(pyridin-2-yl)pyridazin-3(2H)-one (CAS 78389-19-2) pharmaceutical standards reference standard. Molecular formula: C9H5Cl2N3O. Molecular weight: 242.06 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C9H5Cl2N3O |
| Molecular Weight | 242.06 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 4-(Dichloromethylene)-2-phenyloxazol-5(4H)-one (CAS 54902-24-8)
- 4,7-Dichloroquinoline-2-carboxylic acid (CAS 52144-11-3)
- 3-(2,6-Dichlorophenyl)isoxazole-4-carbaldehyde (CAS 88096-99-5)
- (S)-1-(3-bromo-2-chlorophenyl)-2-methoxyethan-1-amine (CAS 1388631-43-3)
- 1-(Furan-3-yl)prop-2-en-1-ol (CAS 852998-61-9)
- 2-((2,4-Dichlorobenzyl)amino)-2-methylpropane-1,3-diol (CAS 875001-84-6)
- N1-((Ethylimino)methylene)-N3,N3-dimethylpropane-1,3-diamine (CAS 1892‑57‑5)
- Dihydro-3-(3-pyridoyl)-2-(3H)-furanone (CAS 59578-61-9)
- 5-Bromo-2-methyl-6-(4-methylpiperidin-1-yl)nicotinic acid (CAS 1443290-37-6)
- Thymopoietin II Peptide Fragment (CAS 56795-64-3)
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