| CAS No. | 148231-12-3 |
| Molecular Formula | C8H14Br2N2 |
| Molecular Weight | 298.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 298.02 g/mol gives 5,8-dibromoquinoxaline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5,8-dibromoquinoxaline (CAS 148231-12-3) is a high-purity analytical reference standard with the molecular formula C8H14Br2N2 and a molecular weight of 298.02 g/mol.
Based on its molecular formula C8H14Br2N2, 5,8-dibromoquinoxaline contains a nitrile group, bromine substitution; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 298.02 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
| Molecular Formula | C8H14Br2N2 |
| Molecular Weight | 298.02 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.) | 1999 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |