6,8-Dibromo-3,4-dihydroquinazolin-4-one CAS 17518-85-3
| CAS No. | 17518-85-3 |
| Molecular Formula | C8H4Br2N2O |
| Molecular Weight | 303.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
6,8-Dibromo-3,4-dihydroquinazolin-4-one (CAS 17518-85-3) is a high-purity analytical reference standard with the molecular formula C8H4Br2N2O and a molecular weight of 303.94 g/mol.
6,8-Dibromo-3,4-dihydroquinazolin-4-one (C8H4Br2N2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 6,8-Dibromo-3,4-dihydroquinazolin-4-one 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 | C8H4Br2N2O |
| Molecular Weight | 303.94 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Dibromo Standards
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Recommended Standards
- 5-Bromo-4-(4-bromo-1h-pyrazol-1-yl)pyrimidine (CAS 1501562-91-9)
- 6,7-Dibromoquinazolin-4(3H)-one (CAS 17519-00-5)
- 2,6-Dibromoquinazolin-8-ol (CAS 953040-59-0)
- Ethane-1,2-diyl bis(2-bromoacetate) (CAS 3785-34-0)
- 1-(2-Methoxyethyl)piperazine dihydrochloride (CAS 14399-34-9)
- Methyl 2-oxo-1,2-dihydroquinazoline-4-carboxylate (CAS 103505-59-5)
- 1-(4-Iodophenyl)cyclobutanecarbonitrile (CAS 1260770-24-8)
- 3,3-Dibenzyl-1-methyl-2-pyrrolidinone (CAS 1290070-60-8)
- sodium 2-[3-(2-methylpropyl)pyridin-4-yl]acetate (CAS 1989659-40-6)
- 3-Amino-4-methoxy-1,2,5-thiadiazole 1,1-dioxide (CAS 90103-62-1)
- 4-Ethoxy-3-(1-methyl-1H-pyrazol-4-yl)aniline (CAS 1351383-52-2)
- 5-(3,5-Dimethoxyphenyl)pyrimidin-2-ol (CAS 1111108-67-8)
- ethyl 3,4-diethyl-5-methyl-1H-pyrrole-2-carboxylate (CAS 16200-50-3)
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