3-(4-Chlorophenyl)-5-(4-methylpiperazin-1-yl)-[1,2,4]triazolo[4,3-c]quinazoline CAS 129177-24-8

Purity 97%+In StockPharmaceutical Standards
CAS No.129177-24-8
Molecular FormulaC20H19ClN6
Molecular Weight378.86 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(4-Chlorophenyl)-5-(4-methylpiperazin-1-yl)-[1,2,4]triazolo[4,3-c]quinazoline CAS 129177-24-8 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.

CATO supplies 3-(4-Chlorophenyl)-5-(4-methylpiperazin-1-yl)-[1,2,4]triazolo[4,3-c]quinazoline (CAS 129177-24-8), a certified reference material (molecular formula C20H19ClN6, MW 378.86 g/mol) for analytical method development and quality control.

Based on its molecular formula C20H19ClN6, 3-(4-Chlorophenyl)-5-(4-methylpiperazin-1-yl)-[1,2,4]triazolo[4,3-c]quinazoline 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 378.86 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).

CATO manufactures 3-(4-Chlorophenyl)-5-(4-methylpiperazin-1-yl)-[1,2,4]triazolo[4,3-c]quinazoline under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC20H19ClN6
Molecular Weight378.86 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, 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.)1993
Halogen ContentCl-containing
Nitrogen Atoms6

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