5-bromo-6-chloropyrazin-2-ol CAS 913282-74-3
| CAS No. | 913282-74-3 |
| Molecular Formula | C4H8BrClN2O |
| Molecular Weight | 215.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-bromo-6-chloropyrazin-2-ol (CAS 913282-74-3), molecular formula C4H8BrClN2O and molecular weight 215.48 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 5-bromo-6-chloropyrazin-2-ol (C4H8BrClN2O) is characterized by an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C4H8BrClN2O |
| Molecular Weight | 215.48 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) | 1.0 |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
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- Semaglutide impurity 103 (CAS 1446013-07-5)
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