2-(4-Fluorophenyl)-6-nitro-1H-benzo[d]imidazole CAS 348-35-6

Purity 97%+In StockPharmaceutical Standards
CAS No.348-35-6
Molecular FormulaC13H8FN3O2
Molecular Weight257.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4-Fluorophenyl)-6-nitro-1H-benzo[d]imidazole CAS 348-35-6 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-(4-Fluorophenyl)-6-nitro-1H-benzo[d]imidazole.

2-(4-Fluorophenyl)-6-nitro-1H-benzo[d]imidazole (CAS 348-35-6) is a high-purity analytical reference standard with the molecular formula C13H8FN3O2 and a molecular weight of 257.22 g/mol.

Based on its molecular formula C13H8FN3O2, 2-(4-Fluorophenyl)-6-nitro-1H-benzo[d]imidazole contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 257.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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.

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 FormulaC13H8FN3O2
Molecular Weight257.22 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Halogen ContentF-containing
Nitrogen Atoms3

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