Description

6-Hydroxybenzo[B]Thiophene-2-Carboxylic Acid is a high-purity, functionalized heterocyclic building block of significant interest in advanced organic synthesis. Its unique molecular scaffold, featuring both a carboxylic acid and a phenolic hydroxyl group on a benzothiophene core, makes it a versatile intermediate for constructing complex molecules. This compound is primarily sought after by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and specialty fine chemicals. Its precise structure enables targeted modifications critical for drug discovery and material science applications.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators due to its bioactive heterocyclic structure.
• Material Science: Acts as a monomer or functionalizing agent in the creation of advanced polymers, liquid crystals, and organic electronic materials.
• Chemical Synthesis: Employed as a versatile building block for constructing more complex fused-ring systems and functional molecules in academic and industrial R&D.
• Dye & Pigment Intermediate: Utilized in the synthesis of specialized dyes and pigments where the benzothiophene unit contributes to color and stability properties.

Basic Information

Product Name	6-Hydroxybenzo[B]Thiophene-2-Carboxylic Acid
CAS No.	1432040-88-4
Molecular Formula	C9H6O3S
Molecular Weight	194.21 g/mol
Synonyms	6-Hydroxy-1-benzothiophene-2-carboxylic acid; 6-Hydroxybenzo[b]thiophene-2-carboxylic acid; 2-Carboxy-6-hydroxybenzo[b]thiophene; 6-Hydroxy-2-benzothiophenecarboxylic acid; 1-Benzothiophene-2-carboxylic acid, 6-hydroxy-; Benzo[b]thiophene-2-carboxylic acid, 6-hydroxy-
EINECS	Contact for details

Quality Control

Our 6-Hydroxybenzo[B]Thiophene-2-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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