Description

Tetrahydrothiophene-3-Carboxylic Acid 1,1-Dioxide is a high-purity, versatile sulfone derivative and a valuable heterocyclic building block in advanced organic synthesis. Its unique structure, featuring both a carboxylic acid and a sulfone group on a saturated thiophene ring, makes it a critical intermediate for creating complex molecules with specific functionalities. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in protease inhibitor research and other therapeutic areas.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators requiring specific sulfone motifs.
• Ligand and Catalyst Development: Serves as a precursor for chiral ligands and organocatalysts used in asymmetric synthesis.
• Polymer & Material Science: Incorporated into specialty polymers and high-performance materials to impart specific chemical resistance or thermal properties.
• Chemical Research & Development: A versatile building block for constructing complex heterocycles and exploring new chemical spaces in medicinal and process chemistry.
• Fine Chemical Production: Employed in the multi-step synthesis of dyes, flavors, and other high-value specialty chemicals.

Basic Information

Product Name	Tetrahydrothiophene-3-Carboxylic Acid 1,1-Dioxide
CAS No.	4785-67-5
Molecular Formula	C5H8O4S
Molecular Weight	164.18 g/mol
Synonyms	3-Carboxytetrahydrothiophene 1,1-Dioxide; Tetrahydrothiophene-3-carboxylic acid S,S-dioxide; 3-Thiophenecarboxylic acid, tetrahydro-, 1,1-dioxide; 1,1-Dioxotetrahydro-3-thiophenecarboxylic acid; 3-Carboxy-1,1-dioxotetrahydrothiophene; Tetrahydrothiophene-1,1-dioxide-3-carboxylic acid; 3-Thiophenecarboxylic acid, tetrahydro-, S,S-dioxide
EINECS	Contact for details

Quality Control

Our Tetrahydrothiophene-3-Carboxylic Acid 1,1-Dioxide is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and tests for residual solvents and moisture. A detailed Certificate of Analysis (COA) is provided with each shipment to ensure traceability, consistency, and compliance with your research or production specifications.

Storage

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

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.