3-(5-Methylthiophen-2-yl)-2-oxopropanoic acid CAS 1156724-82-1

Purity 97%+In StockPharmaceutical Standards
CAS No.1156724-82-1
Molecular FormulaC8H8O3S
Molecular Weight184.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(5-Methylthiophen-2-yl)-2-oxopropanoic acid CAS 1156724-82-1 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.

3-(5-Methylthiophen-2-yl)-2-oxopropanoic acid (CAS 1156724-82-1) is a high-purity analytical reference standard with the molecular formula C8H8O3S and a molecular weight of 184.21 g/mol.

3-(5-Methylthiophen-2-yl)-2-oxopropanoic acid (C8H8O3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 3-(5-Methylthiophen-2-yl)-2-oxopropanoic 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 FormulaC8H8O3S
Molecular Weight184.21 g/mol
Purity97%+
StorageStore at 2-8°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.)1989
Sulfur Atoms1

Related Methylthiophen Standards

Recommended Standards

Why CATO?