2,5-Diethyl 3-hydroxythiophene-2,5-dicarboxylate CAS 99187-10-7

Purity 97%+In StockPharmaceutical Standards
CAS No.99187-10-7
Molecular FormulaC10H12O5S
Molecular Weight244.26 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,5-Diethyl 3-hydroxythiophene-2,5-dicarboxylate CAS 99187-10-7 chemical structure

Description

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 supplies 2,5-Diethyl 3-hydroxythiophene-2,5-dicarboxylate (CAS 99187-10-7), a certified reference material (molecular formula C10H12O5S, MW 244.26 g/mol) for analytical method development and quality control.

Based on its molecular formula C10H12O5S, 2,5-Diethyl 3-hydroxythiophene-2,5-dicarboxylate 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 244.26 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).

As a certified reference material (CRM), 2,5-Diethyl 3-hydroxythiophene-2,5-dicarboxylate 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 FormulaC10H12O5S
Molecular Weight244.26 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1985
Sulfur Atoms1

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