Description

3-Chlorobenzo[C]Thiophene-1-Carbaldehyde is a high-purity, specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a key precursor for constructing complex molecular architectures, particularly in the development of novel pharmaceuticals and functional materials. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating new active ingredients and electronic materials.

Application

• Pharmaceutical Intermediate: Serves as a critical scaffold in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and oncology.
• Agrochemical Research: Used in the development of new generation herbicides, fungicides, and insecticides, leveraging its unique chlorinated thiophene structure.
• Material Science Precursor: Acts as a building block for organic semiconductors, conductive polymers, and non-linear optical (NLO) materials due to its electron-rich thiophene core.
• Ligand Synthesis: Utilized in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes for studying biological pathways and enzyme functions.
• Custom Synthesis & Contract Manufacturing: A vital starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving the global life sciences market.

Basic Information

Product Name	3-Chlorobenzo[C]Thiophene-1-Carbaldehyde
CAS No.	136132-56-4
Molecular Formula	C9H5ClOS
Molecular Weight	196.65 g/mol
Synonyms	3-Chlorobenzo[c]thiophene-1-carboxaldehyde; 1-Formyl-3-chlorobenzo[c]thiophene; 3-Chloro-1-benzothiophene-1-carbaldehyde; 3-Chloro-1-formylbenzo[c]thiophene; 3-Chloroisothianaphthene-1-carbaldehyde; 3-Chloro-1H-isothianaphthene-1-carboxaldehyde; 3-Chloro-1-isothianaphthenecarboxaldehyde
EINECS	Contact for details

Quality Control

Every batch of 3-Chlorobenzo[C]Thiophene-1-Carbaldehyde is manufactured under strict quality management protocols. Our products undergo rigorous quality testing, including chromatographic purity analysis and structural confirmation, to ensure compliance with exacting R&D and process chemistry standards. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its light-sensitive nature and propensity for oxidation, it is recommended to store the material under an inert atmosphere for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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