3,5-bis(methylthio)-1,2,4-thiadiazole CAS 41218-42-2

Purity 97%+In StockPharmaceutical Standards
CAS No.41218-42-2
Molecular FormulaC4H6N2S3
Molecular Weight178.30 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,5-bis(methylthio)-1,2,4-thiadiazole CAS 41218-42-2 chemical structure

Description

3,5-bis(methylthio)-1,2,4-thiadiazole (CAS 41218-42-2), molecular formula C4H6N2S3 and molecular weight 178.30 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 3,5-bis(methylthio)-1,2,4-thiadiazole (C4H6N2S3) contains a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 178.30 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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), 3,5-bis(methylthio)-1,2,4-thiadiazole 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 FormulaC4H6N2S3
Molecular Weight178.30 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.)1968
Nitrogen Atoms2
Sulfur Atoms3

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