4-((3-Ethoxy-4-hydroxybenzylidene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione CAS 478256-09-6

Purity 97%+In StockPharmaceutical Standards
CAS No.478256-09-6
Molecular FormulaC18H18N4O2S
Molecular Weight354.43 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-((3-Ethoxy-4-hydroxybenzylidene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione CAS 478256-09-6 chemical structure

Description

CATO supplies 4-((3-Ethoxy-4-hydroxybenzylidene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478256-09-6), a certified reference material (molecular formula C18H18N4O2S, MW 354.43 g/mol) for analytical method development and quality control.

Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 4-((3-Ethoxy-4-hydroxybenzylidene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 354.43 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

As a certified reference material (CRM), 4-((3-Ethoxy-4-hydroxybenzylidene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione 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.

Physical & Chemical Properties

Molecular FormulaC18H18N4O2S
Molecular Weight354.43 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms4
Sulfur Atoms1

Related Ethoxy Standards

Recommended Standards

Why CATO?