4-(([1,1'-Biphenyl]-4-ylmethylene)amino)-3-(3-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione CAS 478255-40-2

Purity 97%+In StockPharmaceutical Standards
CAS No.478255-40-2
Molecular FormulaC21H15ClN4S
Molecular Weight390.89 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(([1,1'-Biphenyl]-4-ylmethylene)amino)-3-(3-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione CAS 478255-40-2 chemical structure

Description

Based on its molecular formula C21H15ClN4S, 4-(([1,1'-Biphenyl]-4-ylmethylene)amino)-3-(3-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 390.89 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

4-(([1,1'-Biphenyl]-4-ylmethylene)amino)-3-(3-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478255-40-2), molecular formula C21H15ClN4S and molecular weight 390.89 g/mol, is a CATO reference standard with documented purity and traceability.

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-(([1,1'-Biphenyl]-4-ylmethylene)amino)-3-(3-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione 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 FormulaC21H15ClN4S
Molecular Weight390.89 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)16.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms4
Sulfur Atoms1

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