1-Benzyl-4,5-dibromo-1H-pyrazole CAS 160564-22-7
| CAS No. | 160564-22-7 |
| Molecular Formula | C10H8Br2N2 |
| Molecular Weight | 315.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 1-Benzyl-4,5-dibromo-1H-pyrazole (CAS 160564-22-7), a certified reference material (molecular formula C10H8Br2N2, MW 315.99 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H8Br2N2, 1-Benzyl-4,5-dibromo-1H-pyrazole contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 315.99 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 1-Benzyl-4,5-dibromo-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 | C10H8Br2N2 |
| Molecular Weight | 315.99 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.) | 2002 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Benzyl Standards
- 1-Benzyl-4,5-dibromo-1H-imidazole (CAS 101853-78-5)
- 4,5-Dibromo-2-(o-tolyl)-1H-imidazole (CAS 1415564-57-6)
- Ethyl 4,4-dibromo-2,2-dimethyl-3-oxobutanoate (CAS 151556-85-3)
- 1-Benzyl-3,5-dibromo-1H-pyrazole (CAS 1594950-01-2)
- 1,6-Dibromo-2-methoxynaphthalene (CAS 66996-59-6)
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- 5,7-DIbromo-2-methyl-quinolin-8-ylamine (CAS 2104152-51-2)
- 5,8-Dibromo-2,3-dimethylquinoxaline (CAS 26556-26-3)
Recommended Standards
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- 1,1'-(4-Methyl-1H-pyrrole-1,3-diyl)diethanone (CAS 169467-63-4)
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- (2S,4R)-1,2-dimethylpiperidin-4-ol (CAS 18486-05-0)
- 3-Hydroxy-3-methyltetrahydro-2H-pyran-2-one (CAS 634191-67-6)
- 4-Formyl-3-hydroxy-N-(2-oxo-2H-benzo[d]imidazol-5-yl)-2-naphthamide (CAS 55447-62-6)
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