4-(4-chlorophenyl)-5-(4-methylphenyl)-4H-1,2,4-triazole-3-thiol CAS 451501-95-4

Purity 97%+In StockPharmaceutical Standards
CAS No.451501-95-4
Molecular FormulaC15H12ClN3S
Molecular Weight301.79 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(4-chlorophenyl)-5-(4-methylphenyl)-4H-1,2,4-triazole-3-thiol CAS 451501-95-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 301.79 g/mol gives 4-(4-chlorophenyl)-5-(4-methylphenyl)-4H-1,2,4-triazole-3-thiol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 4-(4-chlorophenyl)-5-(4-methylphenyl)-4H-1,2,4-triazole-3-thiol (CAS 451501-95-4), a certified reference material (molecular formula C15H12ClN3S, MW 301.79 g/mol) for analytical method development and quality control.

4-(4-chlorophenyl)-5-(4-methylphenyl)-4H-1,2,4-triazole-3-thiol (C15H12ClN3S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, 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).

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.

As a certified reference material (CRM), 4-(4-chlorophenyl)-5-(4-methylphenyl)-4H-1,2,4-triazole-3-thiol 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 FormulaC15H12ClN3S
Molecular Weight301.79 g/mol
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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms3
Sulfur Atoms1

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