5,6-Dichloro-2-(6-chloropyridin-3-yl)-1-(2,4-dichlorobenzyl)-1H-benzo[d]imidazole CAS 303144-82-3

Purity 97%+In StockPharmaceutical Standards
CAS No.303144-82-3
Molecular FormulaC19H10Cl5N3
Molecular Weight457.57 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5,6-Dichloro-2-(6-chloropyridin-3-yl)-1-(2,4-dichlorobenzyl)-1H-benzo[d]imidazole CAS 303144-82-3 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.

5,6-Dichloro-2-(6-chloropyridin-3-yl)-1-(2,4-dichlorobenzyl)-1H-benzo[d]imidazole (CAS 303144-82-3) is a high-purity analytical reference standard with the molecular formula C19H10Cl5N3 and a molecular weight of 457.57 g/mol.

5,6-Dichloro-2-(6-chloropyridin-3-yl)-1-(2,4-dichlorobenzyl)-1H-benzo[d]imidazole (C19H10Cl5N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC19H10Cl5N3
Molecular Weight457.57 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms3

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