| CAS No. | 123396-70-3 |
| Molecular Formula | C9H7N5 |
| Molecular Weight | 185.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 185.19 g/mol gives 2-(1H-1,2,4-Triazol-1-yl)-1H-benzo[d]imidazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(1H-1,2,4-Triazol-1-yl)-1H-benzo[d]imidazole (CAS 123396-70-3), molecular formula C9H7N5 and molecular weight 185.19 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(1H-1,2,4-Triazol-1-yl)-1H-benzo[d]imidazole (C9H7N5) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 185.19 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).
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), 2-(1H-1,2,4-Triazol-1-yl)-1H-benzo[d]imidazole 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.
| Molecular Formula | C9H7N5 |
| Molecular Weight | 185.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 5 |