2-Bromo-8-(2,3,4-trifluorophenyl)-5,6-dihydro-8H-[1,2,4]triazolo[5,1-c][1,4]oxazine CAS 2412990-78-2
| CAS No. | 2412990-78-2 |
| Molecular Formula | C11H7BrF3N3O |
| Molecular Weight | 334.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H7BrF3N3O, 2-Bromo-8-(2,3,4-trifluorophenyl)-5,6-dihydro-8H-[1,2,4]triazolo[5,1-c][1,4]oxazine contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 334.09 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
2-Bromo-8-(2,3,4-trifluorophenyl)-5,6-dihydro-8H-[1,2,4]triazolo[5,1-c][1,4]oxazine (CAS 2412990-78-2), molecular formula C11H7BrF3N3O and molecular weight 334.09 g/mol, is a CATO reference standard with documented purity and traceability.
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 | C11H7BrF3N3O |
| Molecular Weight | 334.09 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 3 |
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