| CAS No. | 344279-44-3 |
| Molecular Formula | C21H16Cl3N3 |
| Molecular Weight | 416.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 416.73 g/mol gives 2-(2-Chloropyridin-3-yl)-1-(3,4-dichlorobenzyl)-5,6-dimethyl-1H-benzo[d]imidazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(2-Chloropyridin-3-yl)-1-(3,4-dichlorobenzyl)-5,6-dimethyl-1H-benzo[d]imidazole (CAS 344279-44-3) is a high-purity analytical reference standard with the molecular formula C21H16Cl3N3 and a molecular weight of 416.73 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution, 2-(2-Chloropyridin-3-yl)-1-(3,4-dichlorobenzyl)-5,6-dimethyl-1H-benzo[d]imidazole is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 416.73 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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-(2-Chloropyridin-3-yl)-1-(3,4-dichlorobenzyl)-5,6-dimethyl-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 | C21H16Cl3N3 |
| Molecular Weight | 416.73 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |