3-(2,4-Dichlorophenyl)-N-phenyl-[1,2,4]triazolo[4,3-c]quinazolin-5-amine CAS 477853-43-3

Purity 97%+In StockPharmaceutical Standards
CAS No.477853-43-3
Molecular FormulaC21H13Cl2N5
Molecular Weight406.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(2,4-Dichlorophenyl)-N-phenyl-[1,2,4]triazolo[4,3-c]quinazolin-5-amine CAS 477853-43-3 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.

CATO supplies 3-(2,4-Dichlorophenyl)-N-phenyl-[1,2,4]triazolo[4,3-c]quinazolin-5-amine (CAS 477853-43-3), a certified reference material (molecular formula C21H13Cl2N5, MW 406.27 g/mol) for analytical method development and quality control.

Based on its molecular formula C21H13Cl2N5, 3-(2,4-Dichlorophenyl)-N-phenyl-[1,2,4]triazolo[4,3-c]quinazolin-5-amine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 406.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).

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 FormulaC21H13Cl2N5
Molecular Weight406.27 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)17.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms5

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