(E)-2-Mercapto-5-((3-methylthiophen-2-yl)methylene)thiazol-4(5H)-one CAS 309290-77-5

Purity 97%+In StockPharmaceutical Standards
CAS No.309290-77-5
Molecular FormulaC9H7NOS3
Molecular Weight241.35 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(E)-2-Mercapto-5-((3-methylthiophen-2-yl)methylene)thiazol-4(5H)-one CAS 309290-77-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 241.35 g/mol gives (E)-2-Mercapto-5-((3-methylthiophen-2-yl)methylene)thiazol-4(5H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies (E)-2-Mercapto-5-((3-methylthiophen-2-yl)methylene)thiazol-4(5H)-one (CAS 309290-77-5), a certified reference material (molecular formula C9H7NOS3, MW 241.35 g/mol) for analytical method development and quality control.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, (E)-2-Mercapto-5-((3-methylthiophen-2-yl)methylene)thiazol-4(5H)-one is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 241.35 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), (E)-2-Mercapto-5-((3-methylthiophen-2-yl)methylene)thiazol-4(5H)-one 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 FormulaC9H7NOS3
Molecular Weight241.35 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms1
Sulfur Atoms3

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