5-Phenyl-6-(phenylamino)-2-(p-tolyl)-2,3-dihydro-4H-thiopyran-4-one CAS 303997-33-3

Purity 97%+In StockPharmaceutical Standards
CAS No.303997-33-3
Molecular FormulaC24H21NOS
Molecular Weight371.49 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Phenyl-6-(phenylamino)-2-(p-tolyl)-2,3-dihydro-4H-thiopyran-4-one CAS 303997-33-3 chemical structure

Description

The occurrence of 5-Phenyl-6-(phenylamino)-2-(p-tolyl)-2,3-dihydro-4H-thiopyran-4-one is closely related to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 5-Phenyl-6-(phenylamino)-2-(p-tolyl)-2,3-dihydro-4H-thiopyran-4-one (CAS 303997-33-3), a certified reference material (molecular formula C24H21NOS, MW 371.49 g/mol) for analytical method development and quality control.

5-Phenyl-6-(phenylamino)-2-(p-tolyl)-2,3-dihydro-4H-thiopyran-4-one (C24H21NOS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.

CATO manufactures 5-Phenyl-6-(phenylamino)-2-(p-tolyl)-2,3-dihydro-4H-thiopyran-4-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.

Physical & Chemical Properties

Molecular FormulaC24H21NOS
Molecular Weight371.49 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms1
Sulfur Atoms1

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