4-Ethyl-5-(pyrazin-2-yl)-4h-1,2,4-triazole-3-thiol CAS 37545-29-2

Purity 97%+In StockPharmaceutical Standards
CAS No.37545-29-2
Molecular FormulaC8H9N5S
Molecular Weight207.26 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Ethyl-5-(pyrazin-2-yl)-4h-1,2,4-triazole-3-thiol CAS 37545-29-2 chemical structure

Description

The occurrence of 4-Ethyl-5-(pyrazin-2-yl)-4h-1,2,4-triazole-3-thiol is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 4-Ethyl-5-(pyrazin-2-yl)-4h-1,2,4-triazole-3-thiol (CAS 37545-29-2), a certified reference material (molecular formula C8H9N5S, MW 207.26 g/mol) for analytical method development and quality control.

Structurally, 4-Ethyl-5-(pyrazin-2-yl)-4h-1,2,4-triazole-3-thiol (C8H9N5S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 207.26 g/mol, it falls into the medium-molecular-weight range. 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.

CATO manufactures 4-Ethyl-5-(pyrazin-2-yl)-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 FormulaC8H9N5S
Molecular Weight207.26 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1967
Nitrogen Atoms5
Sulfur Atoms1

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