Description

4,7-Methanoisobenzofuran-1(3H)-One, 3A,4,7,7A-Tetrahydro- is a specialized bicyclic lactone compound with a unique fused ring structure, serving as a critical advanced intermediate in fine chemical synthesis. Its value lies in its rigid molecular framework, which is essential for constructing complex molecules in pharmaceutical and agrochemical research and development. This high-purity intermediate is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those requiring complex, bridged bicyclic scaffolds.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where its structure can impart specific biological activity.
• Material Science Research: Serves as a monomer or precursor for developing specialized polymers with unique thermal or mechanical properties.
• Organic Synthesis Reagent: Employed in academic and industrial laboratories for methodological studies and the construction of complex natural product analogs.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing musky or woody aroma chemicals due to its lactone and bicyclic structure.

Basic Information

Product Name	4,7-Methanoisobenzofuran-1(3H)-One, 3A,4,7,7A-Tetrahydro-
CAS No.	85718-44-1
Molecular Formula	C9H10O2
Molecular Weight	150.17 g/mol
Synonyms	3a,4,7,7a-Tetrahydro-4,7-methanoisobenzofuran-1(3H)-one; 3a,4,7,7a-Tetrahydro-4,7-methano-1H-isoindole-1,3(2H)-dione (related); Hexahydro-4,7-methanoisobenzofuran-1-one; Bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride, hexahydro derivative (contextual); Norbornene lactone derivative; 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-4,7-methano-
EINECS	Contact for details

Quality Control

Our 4,7-Methanoisobenzofuran-1(3H)-One, 3A,4,7,7A-Tetrahydro- is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for advanced synthetic applications. Certificates of Analysis (COA) detailing all specifications are available upon request, providing full traceability and quality assurance for your R&D and production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
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.