5-(3,4-Dimethoxyphenyl)-4-phenyl-4H-1,2,4-triazole-3-thiol CAS 91759-69-2

Purity 97%+In StockPharmaceutical Standards
CAS No.91759-69-2
Molecular FormulaC16H15N3O2S
Molecular Weight313.37 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-(3,4-Dimethoxyphenyl)-4-phenyl-4H-1,2,4-triazole-3-thiol CAS 91759-69-2 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-(3,4-Dimethoxyphenyl)-4-phenyl-4H-1,2,4-triazole-3-thiol.

CATO supplies 5-(3,4-Dimethoxyphenyl)-4-phenyl-4H-1,2,4-triazole-3-thiol (CAS 91759-69-2), a certified reference material (molecular formula C16H15N3O2S, MW 313.37 g/mol) for analytical method development and quality control.

5-(3,4-Dimethoxyphenyl)-4-phenyl-4H-1,2,4-triazole-3-thiol (C16H15N3O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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-(3,4-Dimethoxyphenyl)-4-phenyl-4H-1,2,4-triazole-3-thiol 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 FormulaC16H15N3O2S
Molecular Weight313.37 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1983
Nitrogen Atoms3
Sulfur Atoms1

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