5-(Methylthio)thiophene-2-carboxylic Acid CAS 20873-58-9

Purity 97%+In StockPharmaceutical Standards
CAS No.20873-58-9
Molecular FormulaC6H6O2S2
Molecular Weight174.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-(Methylthio)thiophene-2-carboxylic Acid CAS 20873-58-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 174.24 g/mol gives 5-(Methylthio)thiophene-2-carboxylic Acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-(Methylthio)thiophene-2-carboxylic Acid (CAS 20873-58-9) is a high-purity analytical reference standard with the molecular formula C6H6O2S2 and a molecular weight of 174.24 g/mol.

Based on its molecular formula C6H6O2S2, 5-(Methylthio)thiophene-2-carboxylic Acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 174.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 5-(Methylthio)thiophene-2-carboxylic Acid 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 FormulaC6H6O2S2
Molecular Weight174.24 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962
Sulfur Atoms2

Related Methylthio Standards

Recommended Standards

Why CATO?