Description

3-(Methylthio)-6,7-Dihydrobenzo[C]Thiophen-4(5H)-One is a high-purity, sulfur-containing heterocyclic compound that serves as a critical synthetic intermediate in advanced organic chemistry. This compound matters for its role in constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and specialty agrochemicals. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for lead optimization and scalable synthesis.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides and herbicides, leveraging its unique thiophene core.
• Material Science Research: Serves as a precursor for organic electronic materials, such as semiconductors and conductive polymers, due to its electron-rich heterocyclic structure.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying enzyme mechanisms and biological pathways.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for custom synthesis projects requiring high-purity, complex intermediates.

Basic Information

Product Name	3-(Methylthio)-6,7-Dihydrobenzo[C]Thiophen-4(5H)-One
CAS No.	168279-57-0
Molecular Formula	C9H10OS2
Molecular Weight	198.31 g/mol
Synonyms	3-(Methylthio)-4,5,6,7-tetrahydro-1-benzothiophen-4-one; 4,5,6,7-Tetrahydro-3-(methylthio)benzo[c]thiophen-4-one; 3-Methylsulfanyl-6,7-dihydro-4H-benzothiophen-4-one; 3-(Methylmercapto)-4,5,6,7-tetrahydrobenzo[c]thiophen-4-one; 3-Methylthio-4,5,6,7-tetrahydrobenzo[c]thiophen-4-one; 3-Methylthio-6,7-dihydrobenzo[c]thiophen-4(5H)-one; 168279-57-0; 3-(Methylthio)-4,5,6,7-tetrahydro-1-benzothiophene-4-one
EINECS	Contact for details

Quality Control

Our 3-(Methylthio)-6,7-Dihydrobenzo[C]Thiophen-4(5H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our production adheres to cGMP principles where applicable, ensuring reliability for research and development purposes.

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. The container should be kept tightly sealed to prevent contamination and moisture absorption.

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%
Heavy Metals	≤ 20 ppm

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