Description

Benzo[B]Thiophene-2-Carboxylic Acid, 3-Chloro-, 1 is a high-purity, halogenated heterocyclic building block of significant importance in advanced organic synthesis. Its core value lies in its versatile molecular scaffold, which serves as a critical precursor for the development of novel pharmaceuticals and functional materials. This compound is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and material science industries seeking to create new active molecules with tailored properties.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly in the development of enzyme inhibitors and receptor modulators.
• Agrochemical Research: Used in creating advanced active ingredients for crop protection products, leveraging its heterocyclic structure.
• Material Science: Serves as a building block for organic electronic materials, such as semiconductors and light-emitting diodes (OLEDs).
• Ligand Synthesis: Employed in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological pathways and target engagement.
• Custom Synthesis & Contract Manufacturing: A vital starting material for custom synthesis projects and scale-up processes in fine chemical production.

Basic Information

Product Name	Benzo[B]Thiophene-2-Carboxylic Acid, 3-Chloro-, 1
CAS No.	21211-27-8
Molecular Formula	C9H5ClO2S
Molecular Weight	212.65 g/mol
Synonyms	3-Chlorobenzo[b]thiophene-2-carboxylic acid; 3-Chloro-1-benzothiophene-2-carboxylic acid; 3-Chloro-benzo[b]thiophene-2-carboxylic acid; 3-Chloro-2-benzothiophenecarboxylic acid; 3-Chloro-2-carboxybenzo[b]thiophene; 2-Benzothiophenecarboxylic acid, 3-chloro-; 3-Chloro-1-benzothiophene-2-carboxylate; 21211-27-8
EINECS	Contact for details

Quality Control

Our Benzo[B]Thiophene-2-Carboxylic Acid, 3-Chloro-, 1 is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and batch-to-batch consistency suitable for sensitive R&D and scale-up applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

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

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%
Heavy Metals	≤ 20 ppm

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