3,3-Dimethyldihydro-2H-thiopyran-4(3H)-one 1,1-dioxide CAS 1779940-93-0

Description

Compared with other compounds in its class, the molecular weight of 176.23 g/mol gives 3,3-Dimethyldihydro-2H-thiopyran-4(3H)-one 1,1-dioxide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3,3-Dimethyldihydro-2H-thiopyran-4(3H)-one 1,1-dioxide (CAS 1779940-93-0), molecular formula C7H12O3S and molecular weight 176.23 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, 3,3-Dimethyldihydro-2H-thiopyran-4(3H)-one 1,1-dioxide is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 176.23 g/mol — guide the selection of appropriate sample preparation and analytical techniques.

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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