Description

4,5,6,7-Tetrahydro-Benzo[B]Thiophene-3-Carboxylic Acid is a versatile heterocyclic building block of significant importance in advanced organic synthesis. Its core structure makes it a valuable intermediate for the development of novel pharmaceuticals and agrochemicals. This compound is primarily sought by research institutions and industrial manufacturers engaged in the creation of active pharmaceutical ingredients (APIs) and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, particularly those targeting the central nervous system.
• Agrochemical Synthesis: Used in the research and development of new herbicides and fungicides due to its bioactive thiophene scaffold.
• Material Science Research: Serves as a building block for organic electronic materials and ligands for catalysis.
• Chemical Research: Employed in academic and industrial R&D for exploring novel heterocyclic chemistry and structure-activity relationships.
• Fine Chemical Production: An intermediate in the multi-step synthesis of specialty chemicals and dyes.

Basic Information

Product Name	4,5,6,7-Tetrahydro-Benzo[B]Thiophene-3-Carboxylic Acid
CAS No.	19156-54-8
Molecular Formula	C9H10O2S
Molecular Weight	182.24 g/mol
Synonyms	3-Thiophenecarboxylic acid, 4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylic acid; 4,5,6,7-Tetrahydro-1-benzothiophene-3-carboxylic acid; 4,5,6,7-Tetrahydrobenzo[b]thiophene-3-carboxylic acid; 3-Carboxy-4,5,6,7-tetrahydrobenzo[b]thiophene; Tetrahydrobenzothiophene-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our 4,5,6,7-Tetrahydro-Benzo[B]Thiophene-3-Carboxylic Acid is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC and NMR, to ensure high purity and consistency suitable for research and industrial synthesis. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids and organic solvents. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.