5-Methyl-1,2-oxathiolane 2,2-dioxide CAS 3289-23-4

Purity 97%+In StockPharmaceutical Standards
CAS No.3289-23-4
Molecular FormulaC4H8O3S
Molecular Weight136.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Methyl-1,2-oxathiolane 2,2-dioxide CAS 3289-23-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 136.17 g/mol gives 5-Methyl-1,2-oxathiolane 2,2-dioxide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 5-Methyl-1,2-oxathiolane 2,2-dioxide (CAS 3289-23-4), a certified reference material (molecular formula C4H8O3S, MW 136.17 g/mol) for analytical method development and quality control.

Structurally, 5-Methyl-1,2-oxathiolane 2,2-dioxide (C4H8O3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 136.17 g/mol, it falls into the low-molecular-weight range.

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), 5-Methyl-1,2-oxathiolane 2,2-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 FormulaC4H8O3S
Molecular Weight136.17 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1957
Sulfur Atoms1

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