Description

4,5-Dihydrothiophene, 1,1-Dioxide, 3-Methyl- is a high-value, specialized sulfone derivative with a unique cyclic structure. This compound serves as a critical advanced intermediate in the synthesis of complex molecules, offering a versatile chemical handle for further functionalization. It is primarily sought after by pharmaceutical R&D and fine chemical manufacturers for developing novel active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting sulfur-containing heterocycles.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where the sulfone moiety can impart specific biological activity.
• Material Science Research: Serves as a monomer or precursor for developing specialty polymers and advanced materials with specific electronic or thermal properties.
• Ligand and Catalyst Development: Employed in organometallic chemistry to create novel ligands for catalytic systems.
• Organic Synthesis Building Block: A versatile reagent for constructing complex molecular architectures in academic and industrial research laboratories.

Basic Information

Item	Detail
Product Name	4,5-Dihydrothiophene, 1,1-Dioxide, 3-Methyl-
CAS No.	872-94-6
Molecular Formula	C5H8O2S
Molecular Weight	132.18 g/mol
Synonyms	3-Methyl-2,5-dihydrothiophene 1,1-dioxide; 3-Methyl-4,5-dihydrothiophene-1,1-dioxide; 3-Methyl-2,5-dihydrothiophene-1,1-dioxide; 3-Methyl-δ2-thiophene-1,1-dioxide; 3-Methyl-2,3-dihydrothiophene-1,1-dioxide; 3-Methylsulfolene
EINECS	212-823-6

Quality Control

Our production of 4,5-Dihydrothiophene, 1,1-Dioxide, 3-Methyl- adheres to stringent GMP guidelines where applicable, ensuring batch-to-batch consistency for research and development purposes. Every lot is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We maintain full traceability and our quality systems are designed to meet the exacting standards of the pharmaceutical and fine chemical industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents and strong bases. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.