4,5-Dibromo-2H-1,2,3-triazol-2-amine CAS 181124-72-1
| CAS No. | 181124-72-1 |
| Molecular Formula | C2H2Br2N4 |
| Molecular Weight | 241.87 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.
4,5-Dibromo-2H-1,2,3-triazol-2-amine (CAS 181124-72-1), molecular formula C2H2Br2N4 and molecular weight 241.87 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C2H2Br2N4, 4,5-Dibromo-2H-1,2,3-triazol-2-amine contains a nitrile group, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 241.87 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).
As a certified reference material (CRM), 4,5-Dibromo-2H-1,2,3-triazol-2-amine 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 | C2H2Br2N4 |
| Molecular Weight | 241.87 g/mol |
| Appearance | 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, 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.) | 2008 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related Dibromo Standards
- 4,5-Dibromo-1H-1,2,3-triazol-1-amine (CAS 181124-84-5)
- 2,2-Dibromo-2-Cyanoacetamide (CAS 10222-01-2)
- 201595-52-0 1,4-Dibromo(~13~C_6_)benzene DTXSID40745842 (CAS 201595-52-0)
- 1,2-Dibromo-1,1,2-trifluoroethane (CAS 354-04-1)
- (Z)-1,4-Dibromo-2,3-Dimethylbut-2-Ene (CAS 100758-26-7)
- (Z)-1,5-dibromo-3-methylpent-2-ene (CAS 133545-67-2)
- 1,5-dibromo-3-methylenepentane (CAS 1648711-86-7)
- (E)-1,4-Dibromo-2,3-Dimethylbut-2-Ene (CAS 6044-73-1)
Recommended Standards
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- n-(4-Chlorobenzyl)-4-methoxybutan-1-amine (CAS 1249716-86-6)
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