6-Bromo-5-methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine CAS 1154740-48-3
| CAS No. | 1154740-48-3 |
| Molecular Formula | C9H10BrNO |
| Molecular Weight | 228.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H10BrNO, 6-Bromo-5-methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 228.09 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.
6-Bromo-5-methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine (CAS 1154740-48-3) is a high-purity analytical reference standard with the molecular formula C9H10BrNO and a molecular weight of 228.09 g/mol.
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 6-Bromo-5-methyl-3,4-dihydro-2H-benzo[b][1,4]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 | C9H10BrNO |
| Molecular Weight | 228.09 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 5-Bromo-2-cyclobutoxypyridine (CAS 1159816-70-2)
- 2-Bromo-6-(oxolan-3-yl)pyridine (CAS 1159822-10-2)
- 2,2,2-Trifluoro-1-(2,4,6-trifluorophenyl)ethan-1-one (CAS 1092712-19-0)
- N-(5-Bromo-2-methylphenyl)acetamide (CAS 116436-10-3)
- 2-Dimethylaminoethyl Benzoate (CAS 2208-05-1)
- 3-(Difluoromethyl)-5-(dimethylamino)-1-methyl-1H-pyrazole-4-carbaldehyde (CAS 877133-03-4)
- N-(1-(4-(4-Fluorophenoxy)phenyl)propyl)-6-methylpyrimidin-4-amine (CAS 921604-58-2)
- 2,4-Dichlorophenyl (E)-3-(dimethylamino)acrylate (CAS 338395-30-5)
- 7-Methylguanine (CAS 578-76-7)
- 4-Methyl-1-(3-(trifluoromethyl)benzyl)-1h-pyrazol-5-amine (CAS 1152526-32-3)
- 2-Chlorocyclohepta[b]pyrrole (CAS 58053-20-6)
- 7-(((2-Aminoethyl)amino)methyl)benzo[c][1,2]oxaborol-1(3H)-ol (CAS 1312674-14-8)
- (S)-1-(4-fluoro-3-(trifluoromethyl)phenyl)but-3-en-1-amine (CAS 1270204-56-2)
- Tirzepatide Impurity 49 (CAS CATO-C4X-324049)
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