6,8-Dibromo-2-methyl-4H-benzo[d][1,3]oxazin-4-one CAS 40889-42-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40889-42-7 |
| Molecular Formula | C9H5Br2NO2 |
| Molecular Weight | 318.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6,8-Dibromo-2-methyl-4H-benzo[d][1,3]oxazin-4-one (CAS 40889-42-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H5Br2NO2. Molecular weight: 318.95 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H5Br2NO2 |
| Molecular Weight | 318.95 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1968 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 6-Amino-5,7-dibromo-2H-chromen-2-one (CAS 866475-81-2)
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- 4-Bromo-2,3-difluorophenylboronic acid pinacol ester (CAS 2121515-07-7)
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- 3-Phenyl-1h-pyrazole-4-sulfonamide (CAS 1251253-54-9)
- 6-Bromo-7-fluoro-3,4-dihydroquinolin-2(1H)-one (CAS 1156389-00-2)
- Tert-butyl 3-bromo-4-(hydroxy((3-hydroxy-2,3-dimethylbutan-2-yl)oxy)boranyl)-2,5-dihydro-1H-pyrrole-1-carboxylate (CAS 1402238-06-5)
- 4-Bromo-4-methyltetrahydropyran (CAS 66299-88-5)
- Peptide Impurity 64 (CAS CATO-CPTD788964)
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