4-Methyl-2-(1H-pyrazol-1-yl)-1H-benzo[d]imidazole CAS 40341-06-8

Purity 97%+In StockPharmaceutical Standards
CAS No.40341-06-8
Molecular FormulaC11H10N4
Molecular Weight198.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Methyl-2-(1H-pyrazol-1-yl)-1H-benzo[d]imidazole CAS 40341-06-8 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-Methyl-2-(1H-pyrazol-1-yl)-1H-benzo[d]imidazole (CAS 40341-06-8), molecular formula C11H10N4 and molecular weight 198.22 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, 4-Methyl-2-(1H-pyrazol-1-yl)-1H-benzo[d]imidazole is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 198.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 4-Methyl-2-(1H-pyrazol-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.

Physical & Chemical Properties

Molecular FormulaC11H10N4
Molecular Weight198.22 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1968
Nitrogen Atoms4

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