Description

4-Methyl-1,3,2-Dioxathiolane 2-Oxide is a specialized cyclic sulfite ester, a key intermediate in organic synthesis and pharmaceutical manufacturing. This compound matters for its role as a versatile building block and protecting group, enabling the synthesis of complex molecules with high precision. It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for nucleoside analogs and other therapeutic agents.
• Chemical Synthesis Reagent: Used as a versatile reagent for introducing protecting groups or facilitating specific ring-opening and cyclization reactions in complex organic syntheses.
• Agrochemical Production: Serves as an intermediate in the manufacture of advanced pesticides, herbicides, and plant growth regulators.
• Polymer Chemistry: Employed in the research and development of specialty polymers and functional materials.
• Academic & Industrial R&D: A valuable compound for methodological development and exploratory chemistry in both university and corporate research laboratories.

Basic Information

Product Name	4-Methyl-1,3,2-Dioxathiolane 2-Oxide
CAS No.	1469-73-4
Molecular Formula	C3H6O3S
Molecular Weight	122.14 g/mol
Synonyms	4-Methyl-1,3,2-dioxathiolane 2-oxide; 4-Methyl-2-sulfolene; 3-Sulfolene, 4-methyl-; 4-Methyl-3-sulfolene; 4-Methyl-δ³-sulfolene; 4-Methyl-2,5-dihydrothiophene 1,1-dioxide (tautomer); 4-Methylsulfolene; 4-Methyl-1,3,2-dioxathiolane-2-oxide
EINECS	Contact for details

Quality Control

Our 4-Methyl-1,3,2-Dioxathiolane 2-Oxide is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment supports applications requiring high-purity intermediates for regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Recommended storage temperature is between 15°C and 25°C. Keep away from heat, sparks, and open flames. For long-term storage, consider under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.