4-(4-(4-Chlorophenyl)-2-(propan-2-ylidenehydrazono)thiazol-3(2H)-yl)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one CAS 402946-48-9

Purity 97%+In StockPharmaceutical Standards
CAS No.402946-48-9
Molecular FormulaC23H22ClN5OS
Molecular Weight451.97 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(4-(4-Chlorophenyl)-2-(propan-2-ylidenehydrazono)thiazol-3(2H)-yl)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one CAS 402946-48-9 chemical structure

Description

CATO manufactures 4-(4-(4-Chlorophenyl)-2-(propan-2-ylidenehydrazono)thiazol-3(2H)-yl)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

4-(4-(4-Chlorophenyl)-2-(propan-2-ylidenehydrazono)thiazol-3(2H)-yl)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one (CAS 402946-48-9), molecular formula C23H22ClN5OS and molecular weight 451.97 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C23H22ClN5OS, 4-(4-(4-Chlorophenyl)-2-(propan-2-ylidenehydrazono)thiazol-3(2H)-yl)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 451.97 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 FormulaC23H22ClN5OS
Molecular Weight451.97 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)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms5
Sulfur Atoms1

Related Chlorophenyl Standards

Recommended Standards

Why CATO?