Description

4,7-Methanoisobenzofuran-1,3-Dione,8-Ethyl-3A,4,7,7A-Tetrahydro-(9Ci) is a specialized bicyclic anhydride derivative, a key synthetic intermediate valued for its unique sterically constrained structure and reactive functionality. This compound matters for its role in advanced organic synthesis, particularly in constructing complex molecular architectures for high-value applications. It is needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries seeking to develop novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block for the synthesis of novel drug candidates, particularly those requiring complex, bridged ring systems.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where its structural motif can impart specific biological activity.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the production of specialty polymers, such as polyimides or epoxy resins, enhancing thermal and mechanical properties.
• Material Science Research: Employed in the development of advanced organic materials, including liquid crystals or organic semiconductors.
• Chemical Research & Development: A versatile reagent for academic and industrial research focused on novel organic reactions and methodology development.
• Fine Chemical Production: Utilized in the multi-step synthesis of other high-value, complex fine chemicals and flavors/fragrances.

Basic Information

Product Name	4,7-Methanoisobenzofuran-1,3-Dione,8-Ethyl-3A,4,7,7A-Tetrahydro-(9Ci)
CAS No.	712270-48-9
Molecular Formula	C11H12O3
Molecular Weight	192.21 g/mol
Synonyms	8-Ethyl-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione; 8-Ethyl-3a,4,7,7a-tetrahydro-4,7-epoxyisobenzofuran-1,3-dione; 8-Ethyl-3a,4,7,7a-tetrahydro-4,7-methano-1H-isoindole-1,3(2H)-dione; Ethyl-substituted tetrahydro-methanoisobenzofurandione; 8-Ethyl-4,7-methanoisobenzofuran-1,3-dione tetrahydro derivative; (3aR,4S,7R,7aS)-8-Ethyl-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione (stereoisomer)
EINECS	Contact for details

Quality Control

Our 4,7-Methanoisobenzofuran-1,3-Dione,8-Ethyl-3A,4,7,7A-Tetrahydro-(9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key specifications are available upon request 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 heat, sparks, and open flame. The container should be kept tightly sealed when not in use to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 3.0% Any single impurity ≤ 1.0%

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