Ethyl 5-methylthiophene-2-glyoxylate CAS 50845-87-9

Description

Compared with other compounds in its class, the molecular weight of 198.24 g/mol gives Ethyl 5-methylthiophene-2-glyoxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Ethyl 5-methylthiophene-2-glyoxylate (CAS 50845-87-9), molecular formula C9H10O3S and molecular weight 198.24 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, Ethyl 5-methylthiophene-2-glyoxylate (C9H10O3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 198.24 g/mol, it falls into the medium-molecular-weight range. 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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