4-Bromo-2-phenyl-2H-1,2,3-triazole CAS 77896-57-2
| CAS No. | 77896-57-2 |
| Molecular Formula | C8H6BrN3 |
| Molecular Weight | 224.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 224.06 g/mol gives 4-Bromo-2-phenyl-2H-1,2,3-triazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-Bromo-2-phenyl-2H-1,2,3-triazole (CAS 77896-57-2), a certified reference material (molecular formula C8H6BrN3, MW 224.06 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H6BrN3, 4-Bromo-2-phenyl-2H-1,2,3-triazole 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 224.06 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).
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-2-phenyl-2H-1,2,3-triazole 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 | C8H6BrN3 |
| Molecular Weight | 224.06 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 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
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- 7-Bromo-1,8-naphthyridin-2-amine (CAS 104917-29-5)
- 4-Bromo-2-(1H-imidazol-1-yl)pyridine (CAS 1142194-29-3)
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- 7-Bromo-8-methylpyrido[2,3-b]pyrazine (CAS 116605-69-7)
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Recommended Standards
- 4-Bromo-2-methylpyrido[4,3-d]pyrimidine (CAS 72668-53-2)
- 4-Bromo-5-phenyl-1H-1,2,3-triazole (CAS 21505-14-6)
- 4-Bromo-2,7-naphthyridin-1-amine (CAS 959558-28-2)
- 5-(2-Bromophenyl)-1H-1,2,3-triazole (CAS 369363-78-0)
- 6-Azaspiro[2.5]octan-1-ylmethanol hydrochloride (CAS 1803595-93-8)
- 4-Cyclopropylthiazol-2-amine, 97% (CAS 324579-90-0)
- N-(5-ethynylpyridin-2-yl)-4,6-dihydroxy-2-(methylthio)pyrimidine-5-carboxamide (CAS 2171068-47-4)
- 3-((4-Methoxybenzyl)amino)propan-1-ol (CAS 91340-37-3)
- Bis(2,6-diisopropylphenyl)carbodiimide (CAS 2162-74-5)
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- Chitotetraose Tetrahydrochloride (CAS 117399-50-5)
- Trimethylsilylcyclopentadiene (mixture of isomers) (CAS 25134-15-0)
- Tau Peptide (277-291) trifluoroacetate salt (CAS 330456-40-1)
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