ethyl 6-Bromo-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate CAS 1245708-51-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1245708-51-3 |
| Molecular Formula | C11H10BrNO4 |
| Molecular Weight | 300.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
ethyl 6-Bromo-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate (CAS 1245708-51-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H10BrNO4. Molecular weight: 300.11 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H10BrNO4 |
| Molecular Weight | 300.11 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 2-(4-(Difluoromethoxy)-3-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1310950-03-8)
- Spiro[1,3-dioxolane-2,1'-[1H]indene], 6'-bromo-2',3'-dihydro-5'-nitro- (CAS 158205-21-1)
- 2-(2,6-Difluoro-3,5-dimethoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1614233-69-0)
- 4-Chloro-3-phenyl-1,2-oxazole-5-sulfonyl chloride (CAS 1263215-06-0)
- (3-Propionamidophenyl)boronic acid (CAS 153853-43-1)
- N-(Isoquinolin-6-yl)-2-((3-methoxybenzyl)amino)acetamide (CAS 920513-63-9)
- 4-(1,3-Diethyl-5-methyl-1H-pyrazol-4-yl)pyridine (CAS 419571-61-2)
- 2-Pentafluoroethyloxymethylpiperidine (CAS 1208080-64-1)
- n'-Benzoyl-4-(tert-butyl)benzohydrazide (CAS 43100-33-0)
- Semaglutide impurity 84 (CAS CATO-C4X-222684)
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