Description

9-Chloronaphtho[1,2-B]Thiophen-3(2H)-One is a high-purity, specialized heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. Its unique fused-ring structure containing sulfur and chlorine makes it a valuable intermediate for developing novel materials and active pharmaceutical ingredients (APIs). This compound is essential for research and production teams in the pharmaceutical, agrochemical, and advanced materials sectors seeking to innovate with complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting specific biological pathways where the naphthothiophene scaffold is active.
• Agrochemical Research: Used in developing new generations of herbicides, fungicides, and insecticides that require complex heterocyclic cores for enhanced efficacy and selectivity.
• Organic Electronic Materials: Serves as a building block for π-conjugated systems in the research and development of organic semiconductors, OLEDs, and photovoltaic materials.
• Dye and Pigment Synthesis: Acts as an intermediate for creating specialized dyes and pigments with unique colorfastness and optical properties.
• Ligand and Catalyst Development: Utilized in organometallic chemistry to create novel ligands for catalytic processes and metal-organic frameworks (MOFs).
• Academic and R&D Laboratories: Employed in fundamental chemical research to explore new reaction pathways and synthesize complex molecular libraries for screening.

Basic Information

Product Name	9-Chloronaphtho[1,2-B]Thiophen-3(2H)-One
CAS No.	6259-73-0
Molecular Formula	C₁₂H₇ClOS
Molecular Weight	234.70 g/mol
Synonyms	9-Chloronaphtho[1,2-b]thiophen-3(2H)-one; 9-Chloro-2,3-dihydro-3-oxonaphtho[1,2-b]thiophene; 9-Chloro-3H-naphtho[1,2-b]thiophen-3-one; 3(2H)-Naphtho[1,2-b]thiophenone, 9-chloro-; 9-Chloronaphthothiophenone; Naphtho[1,2-b]thiophen-3(2H)-one, 9-chloro-; 6259-73-0
EINECS	Contact for details

Quality Control

Our 9-Chloronaphtho[1,2-B]Thiophen-3(2H)-One is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity assay and identity confirmation via spectroscopic methods (IR, NMR). Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory needs.

Storage

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

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%
Heavy Metals	≤ 20 ppm

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