5-Bromo-4,6-dimethoxypyrimidine CAS 4319-77-1
| CAS No. | 4319-77-1 |
| 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-4,6-dimethoxypyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Bromo-4,6-dimethoxypyrimidine (CAS 4319-77-1), molecular formula C6H7BrN2O2 and molecular weight 219.04 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Bromo-4,6-dimethoxypyrimidine (C6H7BrN2O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 219.04 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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-4,6-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.) | 1958 |
| 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)
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Recommended Standards
- 5-Bromo-4,6-dihydrazinylpyrimidine (CAS 825-49-0)
- 6-Bromo-1,3-dimethylpyrimidine-2,4(1H,3H)-dione (CAS 21428-17-1)
- 5-Bromo-3,6-dimethylpyrimidine-2,4(1H,3H)-dione (CAS 39968-37-1)
- Ethyl 2-Bromoimidazole-4-carboxylate (CAS 74478-93-6)
- 2-Chloro-6-iodonitrobenzene (CAS 937601-42-8)
- 3-Amino-2-(4-methylpyridin-2-yl)propan-1-ol (CAS 1274682-53-9)
- 3-(3,3,3-Trifluoropropylsulfanyl)propanoic acid (CAS 958814-81-8)
- 5-(3-Fluorophenyl)-3-phenyl-1H-1,2,4-triazole (CAS 1211788-82-7)
- (4-Chloro-1,3-dimethyl-1H-pyrazol-5-yl)methanol (CAS 1353048-70-0)
- 4-Chloro-6-methoxy-2-methylpyrimidin-5-amine (CAS 88474-31-1)
- 5-(3-Bromophenyl)-1,2,4-triazin-3-amine (CAS 886497-10-5)
- Ethylene Glycol Diphenyl Ether (CAS 104-66-5)
- Glumetinib (CAS 1642581-63-2)
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