5-Chloro-4-(((3-chlorophenyl)thio)methyl)-3-(((4-chlorophenyl)thio)methyl)-1-methyl-1H-pyrazole CAS 318234-33-2

Purity 97%+In StockPharmaceutical Standards
CAS No.318234-33-2
Molecular FormulaC18H15Cl3N2S2
Molecular Weight429.81 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Chloro-4-(((3-chlorophenyl)thio)methyl)-3-(((4-chlorophenyl)thio)methyl)-1-methyl-1H-pyrazole CAS 318234-33-2 chemical structure

Description

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.

CATO supplies 5-Chloro-4-(((3-chlorophenyl)thio)methyl)-3-(((4-chlorophenyl)thio)methyl)-1-methyl-1H-pyrazole (CAS 318234-33-2), a certified reference material (molecular formula C18H15Cl3N2S2, MW 429.81 g/mol) for analytical method development and quality control.

Based on its molecular formula C18H15Cl3N2S2, 5-Chloro-4-(((3-chlorophenyl)thio)methyl)-3-(((4-chlorophenyl)thio)methyl)-1-methyl-1H-pyrazole 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 429.81 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.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

Physical & Chemical Properties

Molecular FormulaC18H15Cl3N2S2
Molecular Weight429.81 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms2

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