Description

4,7-Ethenoindene-5,6-Dione, 3A,4,7,7A-Tetrahydro-8,9-Dimethyl- (6Ci,8Ci) is a specialized organic compound with a complex fused-ring structure, serving as a valuable synthetic intermediate. Its unique molecular architecture makes it a critical building block for the development of advanced materials and fine chemicals. This product is essential for research and development chemists in the pharmaceutical, agrochemical, and advanced polymer sectors seeking to create novel compounds with specific functional properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex heterocyclic compounds for drug discovery and development programs.
• Agrochemical Synthesis: Used in the research and production of novel active ingredients for crop protection products.
• Advanced Material Research: Serves as a building block for developing specialty polymers, dyes, and organic electronic materials.
• Organic Synthesis & Catalysis: Employed as a sophisticated ligand or scaffold in catalytic systems and asymmetric synthesis.
• Academic & Industrial R&D: A valuable reagent for methodological studies and exploring new chemical reactions in laboratory settings.

Basic Information

Product Name	4,7-Ethenoindene-5,6-Dione, 3A,4,7,7A-Tetrahydro-8,9-Dimethyl- (6Ci,8Ci)
CAS No.	32139-82-5
Molecular Formula	C₁₃H₁₄O₂
Molecular Weight	202.25 g/mol
Synonyms	3a,4,7,7a-Tetrahydro-8,9-dimethyl-4,7-ethenoindene-5,6-dione; 8,9-Dimethyl-3a,4,7,7a-tetrahydro-4,7-ethenoindene-5,6-dione; 4,7-Etheno-3a,4,7,7a-tetrahydro-8,9-dimethylindene-5,6-dione; 5,6-Dioxo-8,9-dimethyl-3a,4,7,7a-tetrahydro-4,7-ethenoindene; 8,9-Dimethyl-4,7-ethenoisoindole-5,6-dione (derivative)
EINECS	Contact for details

Quality Control

Every batch of our 4,7-Ethenoindene-5,6-Dione derivative is manufactured under strict quality management protocols. We ensure product integrity through comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation. A Certificate of Analysis (COA) detailing batch-specific results is provided with each shipment to guarantee consistency and meet your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

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%

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