4-Bromo-3-(2-methoxyethyl)-1-methyl-1H-pyrazole CAS 2306265-15-4
| CAS No. | 2306265-15-4 |
| Molecular Formula | C7H11BrN2O |
| Molecular Weight | 219.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H11BrN2O, 4-Bromo-3-(2-methoxyethyl)-1-methyl-1H-pyrazole contains 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 219.08 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
4-Bromo-3-(2-methoxyethyl)-1-methyl-1H-pyrazole (CAS 2306265-15-4) is a high-purity analytical reference standard with the molecular formula C7H11BrN2O and a molecular weight of 219.08 g/mol.
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), 4-Bromo-3-(2-methoxyethyl)-1-methyl-1H-pyrazole 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 | C7H11BrN2O |
| Molecular Weight | 219.08 g/mol |
| Appearance | 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 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 |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 4-bromo-2,3-dihydro-1-benzofuran-3-one (CAS 1020966-78-2)
- 4-Bromo-1-(3-methoxypropyl)-1h-pyrazole (CAS 1183903-41-4)
- 7-bromo-1,3-dihydropyrrolo[2,3-c]pyridin-2-one (CAS 1190318-26-3)
- 7-bromo-1,3-dihydropyrrolo[3,2-b]pyridin-2-one (CAS 1190318-71-8)
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