4,5-Dimethyl-1,3,2-dioxathiolane 2-oxide CAS 4440-90-8

Purity 97%+In StockPharmaceutical Standards
CAS No.4440-90-8
Molecular FormulaC4H8O3S
Molecular Weight136.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,5-Dimethyl-1,3,2-dioxathiolane 2-oxide CAS 4440-90-8 chemical structure

Description

The occurrence of 4,5-Dimethyl-1,3,2-dioxathiolane 2-oxide 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.

4,5-Dimethyl-1,3,2-dioxathiolane 2-oxide (CAS 4440-90-8) is a high-purity analytical reference standard with the molecular formula C4H8O3S and a molecular weight of 136.17 g/mol.

Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, 4,5-Dimethyl-1,3,2-dioxathiolane 2-oxide is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 136.17 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.

CATO manufactures 4,5-Dimethyl-1,3,2-dioxathiolane 2-oxide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

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.)1958
Sulfur Atoms1

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