5-bromo-3-chloro-1H-pyrazin-2-one CAS 21943-17-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21943-17-9 |
| Molecular Formula | C4H6BrClN2O |
| Molecular Weight | 213.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-bromo-3-chloro-1H-pyrazin-2-one (CAS 21943-17-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H6BrClN2O. Molecular weight: 213.46 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H6BrClN2O |
| Molecular Weight | 213.46 g/mol |
| 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
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