Description

Methyl 3-Methylbenzothiophene-2-Carboxylate is a high-purity organic compound that serves as a critical synthetic intermediate in advanced chemical manufacturing. Its value lies in its well-defined benzothiophene core, which is essential for constructing complex molecular architectures with specific electronic and structural properties. This compound is primarily needed by research and development laboratories, pharmaceutical ingredient manufacturers, and agrochemical companies for applications in drug discovery, material science, and specialty chemical synthesis.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting central nervous system and metabolic disorders.
• Agrochemical Research: Used in the development of new generation herbicides, fungicides, and plant growth regulators that require a benzothiophene scaffold.
• Organic Electronic Materials: Serves as a precursor for organic semiconductors, charge-transport materials, and light-emitting compounds used in OLEDs and photovoltaic cells.
• Dye and Pigment Synthesis: Employed in the production of specialized dyes, fluorescent markers, and high-performance pigments.
• Ligand and Catalyst Development: Utilized in academic and industrial research to create novel ligands for transition metal catalysis and asymmetric synthesis.
• Polymer Modification: Acts as a functional monomer or additive to impart specific properties like thermal stability or UV absorption to advanced polymers.

Basic Information

Product Name	Methyl 3-Methylbenzothiophene-2-Carboxylate
CAS No.	3133-81-1
Molecular Formula	C11H10O2S
Molecular Weight	206.26 g/mol
Synonyms	Methyl 3-methyl-1-benzothiophene-2-carboxylate; 3-Methylbenzo[b]thiophene-2-carboxylic acid methyl ester; 2-Methoxycarbonyl-3-methylbenzothiophene; 3-Methylbenzothiophene-2-carboxylic acid methyl ester; Methyl 3-methylbenzo[b]thiophene-2-carboxylate; 3-Methyl-2-benzothiophenecarboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our Methyl 3-Methylbenzothiophene-2-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial use. Certificates of Analysis (COA) detailing all specifications are available upon request, providing full traceability and quality assurance for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. The container must 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%

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