5-((4-Bromophenyl)thio)-4-(((4-chlorophenyl)thio)methyl)-1-methyl-3-phenyl-1H-pyrazole CAS 318959-34-1

Purity 97%+In StockPharmaceutical Standards
CAS No.318959-34-1
Molecular FormulaC23H18BrClN2S2
Molecular Weight501.89 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-((4-Bromophenyl)thio)-4-(((4-chlorophenyl)thio)methyl)-1-methyl-3-phenyl-1H-pyrazole CAS 318959-34-1 chemical structure

Description

As a certified reference material (CRM), 5-((4-Bromophenyl)thio)-4-(((4-chlorophenyl)thio)methyl)-1-methyl-3-phenyl-1H-pyrazole 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.

CATO supplies 5-((4-Bromophenyl)thio)-4-(((4-chlorophenyl)thio)methyl)-1-methyl-3-phenyl-1H-pyrazole (CAS 318959-34-1), a certified reference material (molecular formula C23H18BrClN2S2, MW 501.89 g/mol) for analytical method development and quality control.

Based on its molecular formula C23H18BrClN2S2, 5-((4-Bromophenyl)thio)-4-(((4-chlorophenyl)thio)methyl)-1-methyl-3-phenyl-1H-pyrazole contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 501.89 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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.

Physical & Chemical Properties

Molecular FormulaC23H18BrClN2S2
Molecular Weight501.89 g/mol
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)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl/Br-containing
Nitrogen Atoms2
Sulfur Atoms2

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