Description

5-Methyl-1-benzothiophene-2-carboxylic acid is a high-purity organic building block and key synthetic intermediate of significant commercial and research interest. This compound is valued for its rigid, fused-ring heterocyclic structure, which serves as a versatile scaffold in advanced organic synthesis. It is primarily utilized by pharmaceutical R&D laboratories and fine chemical manufacturers engaged in the development of novel active pharmaceutical ingredients (APIs) and functional materials.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a core structure for developing electron-transporting or host materials in display and lighting technologies.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its benzothiophene core for biological activity.
• Ligand and Catalyst Development: Employed in organometallic chemistry to create specialized ligands for catalytic processes.
• Material Science Research: Acts as a monomer or building block for polymers and advanced organic materials with specific electronic or optical properties.
• Academic & Industrial R&D: A valuable reagent for methodological studies in heterocyclic and medicinal chemistry.

Basic Information

Product Name	5-Methyl-1-benzothiophene-2-carboxylic Acid
CAS No.	1505-62-0
Molecular Formula	C10H8O2S
Molecular Weight	192.23 g/mol
Synonyms	5-Methylbenzo[b]thiophene-2-carboxylic Acid; 2-Carboxy-5-methylbenzothiophene; 5-Methyl-1-benzothiophene-2-carboxylic acid; 5-Methylbenzothiophene-2-carboxylic acid; 1505-62-0; 5-Methylbenzo[b]thiophene-2-carboxylic acid; 5-Methyl-2-benzothiophenecarboxylic acid
EINECS	Contact for details

Quality Control

Our 5-Methyl-1-benzothiophene-2-carboxylic acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis, to ensure it meets the high standards required for research and commercial synthesis. Certificates of Analysis (COA) with lot-specific data are provided to guarantee traceability and consistency.

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 oxidizing agents and strong bases.

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.