5-(1H-Pyrazol-5-yl)-1,3,4-oxadiazole-2-thiol CAS 119073-82-4

Purity 97%+In StockPharmaceutical Standards
CAS No.119073-82-4
Molecular FormulaC5H4N4OS
Molecular Weight168.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-(1H-Pyrazol-5-yl)-1,3,4-oxadiazole-2-thiol CAS 119073-82-4 chemical structure

Description

5-(1H-Pyrazol-5-yl)-1,3,4-oxadiazole-2-thiol (C5H4N4OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; 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.

CATO supplies 5-(1H-Pyrazol-5-yl)-1,3,4-oxadiazole-2-thiol (CAS 119073-82-4), a certified reference material (molecular formula C5H4N4OS, MW 168.18 g/mol) for analytical method development and quality control.

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-(1H-Pyrazol-5-yl)-1,3,4-oxadiazole-2-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 FormulaC5H4N4OS
Molecular Weight168.18 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1991
Nitrogen Atoms4
Sulfur Atoms1

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