Description

4,7-Dichloro-2-(4,7-Dichloro-3-Oxobenzo[B]Thien-2(3H)-Ylidene)Benzo[B]Thiophene-3(2H)-One is a high-purity, specialized organic compound belonging to the benzo[b]thiophene class. This chemical serves as a critical advanced intermediate for synthesizing complex heterocyclic molecules and functional materials. It is primarily sought by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for developing novel active ingredients and electronic components.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in oncology and antiviral research.
• Agrochemical Research: Used in developing advanced active ingredients for crop protection products, such as herbicides and fungicides.
• Organic Electronic Materials: Serves as a precursor for organic semiconductors, photoconductors, and other functional materials used in OLEDs and sensors.
• Dye & Pigment Synthesis: Intermediate for creating specialized dyes and high-performance pigments due to its complex conjugated structure.
• Academic & Industrial R&D: A valuable reagent for synthetic organic chemistry research and process development in fine chemical manufacturing.

Basic Information

Product Name	4,7-Dichloro-2-(4,7-Dichloro-3-Oxobenzo[B]Thien-2(3H)-Ylidene)Benzo[B]Thiophene-3(2H)-One
CAS No.	14295-43-3
Molecular Formula	C16H4Cl4O2S2
Molecular Weight	424.14 g/mol
Synonyms	Benzo[1,2-b:4,5-b']dithiophene-4,9-dione, 2,7-dichloro-; 2,7-Dichlorobenzo[1,2-b:4,5-b']dithiophene-4,9-dione; 4,7-Dichloro-2-(4,7-dichloro-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one; 4,9-Dichloro-2,7-dichlorobenzo[1,2-b:4,5-b']dithiophene-4,9-dione; Thieno[3',2':4,5]thieno[2,3-c]furan-2,7-dione, 4,9-dichloro- (related structure).
EINECS	Contact for details

Quality Control

Our production of 4,7-Dichloro-2-(4,7-Dichloro-3-Oxobenzo[B]Thien-2(3H)-Ylidene)Benzo[B]Thiophene-3(2H)-One adheres to stringent GMP and ISO 9001 guidelines to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to verify identity and purity. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality parameters.

Storage

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

Specification

Item	Specification
Appearance	Yellow to orange 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.