3-(Methylthio)-1,2,4-thiadiazole-5(2H)-thione CAS 20069-40-3

Purity 97%+In StockPharmaceutical Standards
CAS No.20069-40-3
Molecular FormulaC3H4N2S3
Molecular Weight164.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(Methylthio)-1,2,4-thiadiazole-5(2H)-thione CAS 20069-40-3 chemical structure

Description

CATO supplies 3-(Methylthio)-1,2,4-thiadiazole-5(2H)-thione (CAS 20069-40-3), a certified reference material (molecular formula C3H4N2S3, MW 164.27 g/mol) for analytical method development and quality control.

3-(Methylthio)-1,2,4-thiadiazole-5(2H)-thione (C3H4N2S3) contains a nitrile group, sulfur-containing functionality. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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.

As a certified reference material (CRM), 3-(Methylthio)-1,2,4-thiadiazole-5(2H)-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 FormulaC3H4N2S3
Molecular Weight164.27 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)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1962
Nitrogen Atoms2
Sulfur Atoms3

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