5-Bromo-2,4-dimethoxypyrimidine CAS 56686-16-9
| CAS No. | 56686-16-9 |
| Molecular Formula | C6H7BrN2O2 |
| Molecular Weight | 219.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 219.04 g/mol gives 5-Bromo-2,4-dimethoxypyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Bromo-2,4-dimethoxypyrimidine (CAS 56686-16-9) is a high-purity analytical reference standard with the molecular formula C6H7BrN2O2 and a molecular weight of 219.04 g/mol.
Based on its molecular formula C6H7BrN2O2, 5-Bromo-2,4-dimethoxypyrimidine contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 219.04 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-Bromo-2,4-dimethoxypyrimidine 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 | C6H7BrN2O2 |
| Molecular Weight | 219.04 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 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 2-(4-bromo-1h-pyraZol-1-yl)acetohydrazide (CAS 1001500-63-5)
- 2-Bromo-3,5-dimethoxypyrazine (CAS 1033610-34-2)
- Methyl 2-(3-bromo-1H-pyrazol-1-yl)acetate (CAS 1034047-87-4)
- 4-Bromo-5-methyl-1H-pyrazole-3-carbohydrazide (CAS 1043909-04-1)
- Methyl 2-(4-bromo-1H-pyrazol-1-yl)acetate (CAS 1072944-71-8)
- 6-Bromo-1,1,1-trifluorohexane (CAS 111670-37-2)
- 2-Bromo-4,5-dimethoxypyrimidine (CAS 1161497-30-8)
- 5-Bromo-4-ethyl-1H-imidazole-2-carboxylic acid (CAS 1171125-11-3)
Recommended Standards
- 5-Bromo-2,3-dimethoxypyrazine (CAS 89466-19-3)
- 5-Bromo-2-ethoxypyrimidin-4(1H)-one (CAS 222737-71-5)
- 5-Bromo-1-ethylpyrimidine-2,4(1H,3H)-dione (CAS 36387-90-3)
- 5-Bromo-2-methoxy-6-methylpyrimidin-4-ol (CAS 55996-07-1)
- 2-Amino-n-methylcyclohexane-1-carboxamide (CAS 1339178-74-3)
- 2-(Isoquinolin-3-yl)acetonitrile (CAS 58130-44-2)
- Manidipine (CAS 89226-50-6)
- 2,2,3,3-tetramethylazetidine (CAS 22606-87-7)
- Potassium 2,3,5,6-tetrafluorophenolate (CAS 42289-34-9)
- 1-N-(1-methanesulfonylpiperidin-4-yl)-4-methylbenzene-1,3-diamine (CAS 1409216-81-4)
- Amflutizole (CAS 82114-19-0)
- EF-24, >98% (CAS 342808-40-6)
- 3-METHOXY-5-NITROPHENOL (CAS 7145-49-5)
- Semaglutide impurity 276 (CAS CATO-C4X-2226276)
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