5-(Propylthio)-1,3,4-thiadiazole-2(3H)-thione CAS 19921-88-1

Purity 97%+In StockPharmaceutical Standards
CAS No.19921-88-1
Molecular FormulaC5H8N2S3
Molecular Weight192.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-(Propylthio)-1,3,4-thiadiazole-2(3H)-thione CAS 19921-88-1 chemical structure

Description

Based on its molecular formula C5H8N2S3, 5-(Propylthio)-1,3,4-thiadiazole-2(3H)-thione contains a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 192.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

5-(Propylthio)-1,3,4-thiadiazole-2(3H)-thione (CAS 19921-88-1) is a high-purity analytical reference standard with the molecular formula C5H8N2S3 and a molecular weight of 192.33 g/mol.

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), 5-(Propylthio)-1,3,4-thiadiazole-2(3H)-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 FormulaC5H8N2S3
Molecular Weight192.33 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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