3,5-Dichloropyridin-2(1H)-one CAS 5437-33-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5437-33-2 |
| Molecular Formula | C5H3Cl2NO |
| Molecular Weight | 163.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3,5-Dichloropyridin-2(1H)-one (CAS 5437-33-2) pharmaceutical standards reference standard. Molecular formula: C5H3Cl2NO. Molecular weight: 163.99 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C5H3Cl2NO |
| Molecular Weight | 163.99 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloropyridin Standards
- 4,6-Dichloropyridin-3-ol (CAS 1196157-47-7)
- 4,5-Dichloropyridin-3-ol (CAS 1261269-63-9)
- 3,5-Dichloropyridin-4(1H)-one (CAS 17228-70-5)
- 2,4-Dichloropyridin-3-ol (CAS 405141-76-6)
- 2,6-Dichloropyridin-4(1H)-one (CAS 253435-44-8)
- 3,6-Dichloropyridin-2(1H)-one (CAS 57864-39-8)
- 4,5-Dichloropyridin-2(1H)-one (CAS 856965-66-7)
- 5,6-Dichloropyridin-2-amine (CAS 1192814-45-1)
Recommended Standards
- 3,5-Dichloro-2-pyrazinamine (CAS 873-42-7)
- 2,6-Dichloro-3-hydroxypyridine (CAS 52764-11-1)
- 4,5-Dichloropyrimidin-2-amine (CAS 403854-21-7)
- Tert-butyln-[(3r)-3-methyl-5-oxopyrrolidin-3-yl]carbamate (CAS 1505517-05-4)
- 1-Bromo-1,1,2,2-tetrafluoropentane (CAS 151831-44-6)
- Ethyl N-((benzyloxy)carbonyl)-N-ethylglycinate (CAS 71931-17-4)
- Bis[(±)-2-ethylhexyl] Phthalate-d38 (CAS 352431-42-6)
- 2-((3,6-Dichloropyridazin-4-yl)amino)-3-methylbutan-1-ol (CAS 1546024-29-6)
- 6-Phenyl-1H-indazole (CAS 1260897-38-8)
- Semaglutide impurity 233 (CAS CATO-C4X-2226233)
Why CATO?
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