3-Methyl-2,5-dihydrothiophene-1,1-dioxide CAS 1193-10-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1193-10-8
Molecular FormulaC5H8O2S
Molecular Weight132.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Methyl-2,5-dihydrothiophene-1,1-dioxide CAS 1193-10-8 chemical structure

Description

The occurrence of 3-Methyl-2,5-dihydrothiophene-1,1-dioxide is closely related to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

3-Methyl-2,5-dihydrothiophene-1,1-dioxide (CAS 1193-10-8) is a high-purity analytical reference standard with the molecular formula C5H8O2S and a molecular weight of 132.18 g/mol.

3-Methyl-2,5-dihydrothiophene-1,1-dioxide (C5H8O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.

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.

As a certified reference material (CRM), 3-Methyl-2,5-dihydrothiophene-1,1-dioxide 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 FormulaC5H8O2S
Molecular Weight132.18 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1957
Sulfur Atoms1

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