Ethyl 4-hydroxy-2-methylthiophene-3-carboxylate CAS 2158-82-9

Description

Compared with other compounds in its class, the molecular weight of 186.23 g/mol gives Ethyl 4-hydroxy-2-methylthiophene-3-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Ethyl 4-hydroxy-2-methylthiophene-3-carboxylate (CAS 2158-82-9) is a high-purity analytical reference standard with the molecular formula C8H10O3S and a molecular weight of 186.23 g/mol.

Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, Ethyl 4-hydroxy-2-methylthiophene-3-carboxylate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 186.23 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), Ethyl 4-hydroxy-2-methylthiophene-3-carboxylate 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

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