4,5-Dichloro-6-nitro-2,3-dihydropyridazin-3-one CAS 13645-43-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 13645-43-7 |
| Molecular Formula | C4HCl2N3O3 |
| Molecular Weight | 209.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Dichloro-6-nitro-2,3-dihydropyridazin-3-one (CAS 13645-43-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4HCl2N3O3. Molecular weight: 209.98 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4HCl2N3O3 |
| Molecular Weight | 209.98 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 sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- (R)-3-(Furan-2-yl)piperazin-2-one (CAS 1240590-60-6)
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- 2-Carboxy-3-(4-chlorobenzoyl)butanoicacid (CAS 147819-14-5)
- 1-(6-Bromopyridin-2-yl)azetidine-3-carboxylic acid (CAS 1289386-69-1)
- 5-Cyano-3-methyl-N-((((4-methylbenzyl)oxy)imino)methyl)-4-phenylthiophene-2-carboxamide (CAS 343372-49-6)
- Insulin Degludec Impurity 25 (CAS CATO-C4X-215725)
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