4,5-Dichloro-3(2H)-pyridazinone CAS 932-22-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 932-22-9 |
| Molecular Formula | C4H2Cl2N2O |
| Molecular Weight | 164.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Dichloro-3(2H)-pyridazinone (CAS 932-22-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4H2Cl2N2O. Molecular weight: 164.98 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H2Cl2N2O |
| Molecular Weight | 164.98 g/mol |
| Appearance | Off-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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Dichloro Standards
- 3,5-Dichloro-2(1H)-pyrazinone (CAS 130879-62-8)
- 5,6-Dichloro-4-hydroxypyrimidine (CAS 88982-91-6)
- Dichloro-1,2,4-triazin-5-amine (CAS 823-62-1)
- 4,6-Dichloro-1,3,5-Triazin-2-Amine (CAS 933-20-0)
- 1,3-Dichloro-5-fluorobenzene (CAS 1435-46-7)
- 1,2-Dichloro-4-fluorobenzene (CAS 1435-49-0)
- 1,2-Dichloro-3-fluorobenzene (CAS 36556-50-0)
- 1,4-Dichloro-2-fluorobenzene (CAS 348-59-4)
Recommended Standards
- 3,6-Dichloropyridazin-4-o (CAS 2779-81-9)
- 4,5-Dichloropyrimidin-2-ol (CAS 857413-11-7)
- 3,6-Dichloropyridazin-4(1H)-one (CAS 53337-81-8)
- 4,4-Difluoro-3-[(phenylmethyl)amino]butanoic acid ethyl ester (CAS 81982-49-2)
- Hexa-n-propylphosphoroustriamide (CAS 5848-64-6)
- 2-[4-(Boc-amino)-3-pyridyl]ethanol (CAS 219834-80-7)
- Atrasentan Impurity 24 (CAS 1058395-22-4)
- Carbamic acid, n-[[(1R,2R)-2-(2,5-dimethoxyphenyl)cyclopropyl]methyl]-, 1,1-dimethylethyl esteR, rel- (CAS 1322700-10-6)
- 1-(4-Pyridazinyl)ethanamine Hydrochloride (CAS 1149585-79-4)
- Semaglutide Impurity 15 (CAS CATO-C4X-222615)
Why CATO?
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