Description

3-Methoxycarbonyl-3-Sulfolene is a versatile sulfone derivative and a valuable chemical intermediate, primarily recognized for its role as a precursor in the synthesis of more complex organic molecules. Its significance lies in its ability to act as a masked diene or a Michael acceptor in cycloaddition and conjugate addition reactions, facilitating efficient routes to heterocyclic and functionalized compounds. This product is essential for research and development chemists, process engineers, and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to build molecular complexity with high selectivity.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds containing sulfone or cyclic structures.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, leveraging its reactive sulfolene core.
• Organic Synthesis Reagent: Serves as a versatile diene synthon in Diels-Alder reactions for constructing six-membered carbocycles and heterocycles.
• Polymer Chemistry: Employed as a monomer or modifier in the development of specialty polymers with unique thermal or solubility properties.
• Material Science Research: Utilized in R&D for creating novel organic electronic materials or advanced functional coatings.
• Fine Chemical Production: Acts as a precursor for flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	3-Methoxycarbonyl-3-Sulfolene
CAS No.	67488-50-0
Molecular Formula	C6H8O4S
Molecular Weight	176.19 g/mol
Synonyms	3-(Methoxycarbonyl)-3-sulfolene; Methyl 3-sulfolen-3-carboxylate; 3-Carbomethoxy-3-sulfolene; 3-Sulfolene-3-carboxylic acid methyl ester; 3-Methoxycarbonylsulfolene; 2,5-Dihydrothiophene-1,1-dioxide-3-carboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our 3-Methoxycarbonyl-3-Sulfolene is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment supports applications requiring GMP-grade intermediates and reliable supply chain integrity.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal stability.

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%
Heavy Metals	< 10 ppm

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