Description

Thiophene, 2,5-Dihydro-3-Methyl-2-[(Methylsulfonyl)Methylene]-, 1,1-Dioxide, (2E)- (9Ci) is a high-value, specialized heterocyclic sulfone building block used in advanced organic synthesis. Its unique structure, featuring a methylsulfonyl methylene group on a dihydrothiophene dioxide core, makes it a critical precursor for constructing complex molecules in pharmaceutical and agrochemical research. This compound is essential for medicinal chemists and process development scientists working on novel active ingredients, particularly those targeting specific biological pathways.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of new drug candidates, especially for creating fused or functionalized heterocyclic systems.
• Agrochemical Synthesis: Used in the design and synthesis of novel herbicides, fungicides, and insecticides that require specific sulfur-containing motifs for bioactivity.
• Material Science Research: Acts as a monomer or precursor for developing specialty polymers and advanced organic electronic materials with tailored properties.
• Chemical Biology Probes: Employed in the synthesis of molecular probes and tool compounds for studying enzyme mechanisms and biological pathways.
• Process Chemistry: Utilized in route scouting and optimization for the scalable production of complex target molecules in fine chemical manufacturing.
• Academic & Institutional R&D: A valuable reagent for universities and research institutes conducting cutting-edge synthetic methodology and heterocyclic chemistry studies.

Basic Information

Product Name	Thiophene, 2,5-Dihydro-3-Methyl-2-[(Methylsulfonyl)Methylene]-, 1,1-Dioxide, (2E)- (9Ci)
CAS No.	798541-93-2
Molecular Formula	C7H10O4S2
Molecular Weight	222.28 g/mol
Synonyms	(2E)-3-Methyl-2-[(methylsulfonyl)methylene]-2,5-dihydrothiophene 1,1-dioxide; 2,5-Dihydro-3-methyl-2-[(methylsulfonyl)methylene]thiophene 1,1-dioxide, (2E)-; 3-Methyl-2-(methylsulfonylmethylene)-2,5-dihydrothiophene 1,1-dioxide; (E)-3-Methyl-2-(methylsulfonylmethylene)-2,3-dihydrothiophene 1,1-dioxide; Methylsulfonylmethylene dihydrothiophene dioxide; Dihydrothiophene sulfone derivative; CAS 798541-93-2
EINECS	Contact for details

Quality Control

Every batch of Thiophene, 2,5-Dihydro-3-Methyl-2-[(Methylsulfonyl)Methylene]-, 1,1-Dioxide, (2E)- (9Ci) is produced and analyzed under strict quality management protocols to ensure consistency and purity for research and development applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay purity and impurity profiles. Our commitment to reliable supply and traceable documentation supports your critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. For long-term storage, we recommend maintaining the product at temperatures between 2°C and 8°C. The container should be kept tightly sealed in a dry environment to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (HPLC, Area %)	≥ 98.0%
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.