Description

Thianaphthene-2-Carboxylic Acid is a high-purity organic compound belonging to the class of benzothiophene derivatives, serving as a versatile and critical building block in advanced chemical synthesis. Its unique fused-ring structure with a carboxylic acid functional group makes it a valuable precursor for creating complex molecules with tailored properties. This intermediate is essential for research and development laboratories, pharmaceutical manufacturers, and agrochemical companies engaged in the production of active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: A key starting material or synthon in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and fungicides, leveraging its heterocyclic core for biological activity.
• Material Science Research: Acts as a monomer or functional component in the creation of organic semiconductors, conductive polymers, and advanced organic frameworks (MOFs/COFs).
• Dye and Pigment Manufacturing: Serves as a precursor for synthesizing specialized dyes, optical brighteners, and pigments due to its aromatic structure.
• Ligand and Catalyst Development: Utilized in organometallic chemistry to create complex ligands for catalytic systems used in cross-coupling and other organic transformations.
• Academic and R&D Laboratories: Employed in fundamental chemical research for studying reaction mechanisms and developing new synthetic methodologies.

Basic Information

Product Name	Thianaphthene-2-Carboxylic Acid
CAS No.	6314-28-9
Molecular Formula	C9H6O2S
Molecular Weight	178.21 g/mol
Synonyms	2-Benzothiophenecarboxylic Acid; 2-Carboxybenzothiophene; 2-Thianaphthenecarboxylic Acid; Benzo[b]thiophene-2-carboxylic acid; 1-Benzothiophene-2-carboxylic Acid; T2CA; 2-BTCA
EINECS	228-653-4

Quality Control

Our Thianaphthene-2-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical parameters. Our quality commitment ensures the material meets the stringent requirements for pharmaceutical and high-end industrial applications.

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, strong bases, and heat sources. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	205 - 210 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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