Description

3-Acetyl-4-[(4-Methylphenyl)Sulfanyl]-2,5-Dihydro-1H-1Lambda6-Thiophene-1,1-Dione is a high-value, specialized organic sulfur compound featuring a unique thiophene-1,1-dione core functionalized with acetyl and 4-methylphenylsulfanyl groups. This molecular architecture makes it a critical advanced intermediate for synthesizing complex heterocyclic systems and functional materials. It is primarily sought after by pharmaceutical R&D teams and agrochemical innovators for developing novel active ingredients and by material scientists exploring new organic electronic components.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and infectious diseases.
• Agrochemical Research: Used in the development of next-generation herbicides, fungicides, and insecticides, leveraging its sulfur-containing heterocyclic structure.
• Organic Electronics: Serves as a precursor for functionalized thiophene derivatives used in organic semiconductors, OLEDs (Organic Light-Emitting Diodes), and conductive polymers.
• Material Science: Employed in the research and development of advanced polymers, ligands for catalysis, and specialty chemicals with tailored properties.
• Chemical Synthesis: Acts as a versatile synthon in organic chemistry for constructing complex sulfur heterocycles via cyclization and cross-coupling reactions.
• Academic & Industrial R&D: A valuable compound for methodological studies in synthetic organic chemistry and for exploring new reaction pathways.

Basic Information

Product Name	3-Acetyl-4-[(4-Methylphenyl)Sulfanyl]-2,5-Dihydro-1H-1Lambda6-Thiophene-1,1-Dione
CAS No.	339022-67-2
Molecular Formula	C13H12O3S2
Molecular Weight	280.36 g/mol
Synonyms	3-Acetyl-4-(p-tolylthio)-2,5-dihydrothiophene-1,1-dione; 4-[(4-Methylphenyl)thio]-3-acetyl-2,5-dihydrothiophene-1,1-dione; 3-Acetyl-4-[(4-methylphenyl)thio]-2,5-dihydrothiophene-1,1-dioxide; 3-Acetyl-4-(4-methylphenylsulfanyl)-2,5-dihydro-1lambda6-thiophene-1,1-dione; CAS 339022-67-2; p-Tolyl 3-acetyl-1,1-dioxo-2,5-dihydro-1H-1lambda6-thiophen-4-yl sulfide
EINECS	Contact for details

Quality Control

Our production of 3-Acetyl-4-[(4-Methylphenyl)Sulfanyl]-2,5-Dihydro-1H-1Lambda6-Thiophene-1,1-Dione adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical characterization to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay (HPLC), related substances, and physical properties are provided and available upon request. We support cGMP compliance for pharmaceutical applications and can tailor quality documentation to meet specific client or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). This compound may be light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0% Any single impurity ≤ 1.0%
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.