4-Chloro-1,2-dihydropyridazine-3,6-dione CAS 5397-64-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5397-64-8 |
| Molecular Formula | C4H3ClN2O2 |
| Molecular Weight | 146.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-1,2-dihydropyridazine-3,6-dione (CAS 5397-64-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H3ClN2O2. Molecular weight: 146.53 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H3ClN2O2 |
| Molecular Weight | 146.53 g/mol |
| 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 DMSO, DMF, methanol |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- N-(9,10-Dioxo-9,10-dihydroanthracen-1-yl)benzamide (CAS 3571-23-1)
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- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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