3-Bromo-2-(4-fluorophenyl)-6,6-dimethyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine CAS 1429893-34-4
| CAS No. | 1429893-34-4 |
| Molecular Formula | C14H14BrFN2O |
| Molecular Weight | 325.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 325.18 g/mol gives 3-Bromo-2-(4-fluorophenyl)-6,6-dimethyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Bromo-2-(4-fluorophenyl)-6,6-dimethyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine (CAS 1429893-34-4), molecular formula C14H14BrFN2O and molecular weight 325.18 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H14BrFN2O, 3-Bromo-2-(4-fluorophenyl)-6,6-dimethyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]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 325.18 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 3-Bromo-2-(4-fluorophenyl)-6,6-dimethyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C14H14BrFN2O |
| Molecular Weight | 325.18 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.) | 1991 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- (5R,7S)-3-bromo-2-(4-fluorophenyl)-5,7-dimethyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine (CAS 1429893-33-3)
- 6-(4-Bromophenyl)-2-(methylthio)pyrimidine-4-carboxylic acid (CAS 1644431-56-0)
- (5R,7R)-3-bromo-2-(4-fluorophenyl)-5,7-dimethyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine (CAS 1429893-32-2)
- 2-(2,6-Difluoro-4-(trifluoromethyl)phenoxy)-3,4-difluoroaniline (CAS 2244085-98-9)
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