5-[(4-Chlorophenyl)sulfanyl]-2-(3,5-dimethyl-1H-pyrazol-1-yl)-4-(4-methoxyphenyl)-1,3-thiazole CAS 956573-31-2

Purity 97%+In StockPharmaceutical Standards
CAS No.956573-31-2
Molecular FormulaC21H18ClN3OS2
Molecular Weight427.97 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-[(4-Chlorophenyl)sulfanyl]-2-(3,5-dimethyl-1H-pyrazol-1-yl)-4-(4-methoxyphenyl)-1,3-thiazole CAS 956573-31-2 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-[(4-Chlorophenyl)sulfanyl]-2-(3,5-dimethyl-1H-pyrazol-1-yl)-4-(4-methoxyphenyl)-1,3-thiazole (CAS 956573-31-2), a certified reference material (molecular formula C21H18ClN3OS2, MW 427.97 g/mol) for analytical method development and quality control.

5-[(4-Chlorophenyl)sulfanyl]-2-(3,5-dimethyl-1H-pyrazol-1-yl)-4-(4-methoxyphenyl)-1,3-thiazole (C21H18ClN3OS2) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, 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 high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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 FormulaC21H18ClN3OS2
Molecular Weight427.97 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)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentCl-containing
Nitrogen Atoms3
Sulfur Atoms2

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