Description

Diethyl (1,1-Dioxidotetrahydrothien-3-Yl)Malonate is a high-purity, specialized organic building block and synthetic intermediate. This compound is valued for its unique sulfone and malonate ester functional groups, which enable its use in constructing complex molecular architectures. It is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug candidates, particularly those containing functionalized tetrahydrothiophene or sulfone motifs.
• Agrochemical Synthesis: Used in research and development for creating novel herbicides, fungicides, and insecticides with specific activity profiles.
• Organic Synthesis Reagent: Serves as a versatile precursor for cyclization reactions, Michael additions, and other carbon-carbon bond-forming processes in fine chemical production.
• Material Science Research: Investigated as a monomer or additive for developing specialized polymers with unique properties.
• Academic & R&D: Employed in university and institutional laboratories for methodological studies and the discovery of new chemical reactions.

Basic Information

Product Name	Diethyl (1,1-Dioxidotetrahydrothien-3-Yl)Malonate
CAS No.	4785-62-0
Molecular Formula	C11H16O6S
Molecular Weight	276.31 g/mol
Synonyms	Diethyl (3-Thiolanyl)malonate, S,S-Dioxide; Diethyl (Tetrahydro-3-thienyl)malonate 1,1-Dioxide; 3-(Diethoxycarbonylmethyl)tetrahydrothiophene 1,1-Dioxide; Tetrahydrothiophene-3-malonic Acid Diethyl Ester S,S-Dioxide; 3-Carbethoxymethyl-tetrahydrothiophene-1,1-dione Diethyl Ester; Diethyl (1,1-Dioxo-tetrahydro-thiophen-3-yl)-malonate; 4785-62-0 (CAS Registry Number)
EINECS	Contact for details

Quality Control

Our Diethyl (1,1-Dioxidotetrahydrothien-3-Yl)Malonate is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy, to ensure it meets the exacting standards required for advanced synthetic applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.