5-Bromo-8,9-dihydro-2,9a-diazabenzo[cd]azulene-1,6(2H,7H)-dione CAS 2767589-63-7
| CAS No. | 2767589-63-7 |
| Molecular Formula | C11H9BrN2O2 |
| Molecular Weight | 281.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Bromo-8,9-dihydro-2,9a-diazabenzo[cd]azulene-1,6(2H,7H)-dione (CAS 2767589-63-7), a certified reference material (molecular formula C11H9BrN2O2, MW 281.11 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H9BrN2O2, 5-Bromo-8,9-dihydro-2,9a-diazabenzo[cd]azulene-1,6(2H,7H)-dione 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 281.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), 5-Bromo-8,9-dihydro-2,9a-diazabenzo[cd]azulene-1,6(2H,7H)-dione meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H9BrN2O2 |
| Molecular Weight | 281.11 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
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