Description

5-Acetyloxy-3A,4,7,7A-Tetrahydro-7-Methyl-4-(1-Methylethyl)-4,7-Ethanoisobenzofuran-1,3-Dione is a specialized bicyclic anhydride derivative with a complex, functionalized structure. This compound matters as a versatile synthetic intermediate, offering a rigid molecular framework and reactive sites for advanced organic synthesis and fine chemical manufacturing. It is needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecules, developing novel active ingredients, and exploring new polymer precursors.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring complex, polycyclic core structures.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides, herbicides, and fungicides, where its unique scaffold can contribute to new modes of action.
• Fine Chemical Production: Acts as a precursor for specialty chemicals, dyes, and performance materials requiring specific stereochemistry and functional groups.
• Polymer & Resin Chemistry: Investigated as a monomer or cross-linking agent for creating high-performance polymers with enhanced thermal or mechanical properties due to its anhydride and ester functionalities.
• Academic & Industrial R&D: Employed in research laboratories for methodological studies, catalysis development, and exploring new chemical spaces in organic synthesis.
• Material Science: Potential use in developing advanced coatings, adhesives, or electronic materials where its specific molecular architecture can impart desired characteristics.

Basic Information

Product Name	5-Acetyloxy-3A,4,7,7A-Tetrahydro-7-Methyl-4-(1-Methylethyl)-4,7-Ethanoisobenzofuran-1,3-Dione
CAS No.	52918-78-2
Molecular Formula	C16H20O5
Molecular Weight	292.33 g/mol
Synonyms	5-Acetoxy-3a,4,7,7a-tetrahydro-7-methyl-4-(propan-2-yl)-4,7-epoxyisobenzofuran-1,3-dione; 4,7-Epoxyisobenzofuran-1,3-dione, 5-(acetyloxy)hexahydro-7-methyl-4-(1-methylethyl)-; 5-Acetyloxy-3a,4,7,7a-tetrahydro-7-methyl-4-isopropyl-4,7-epoxyisobenzofuran-1,3-dione; 4-Isopropyl-7-methyl-3a,4,7,7a-tetrahydro-4,7-epoxyisobenzofuran-1,3-dione 5-acetate; Cantharidin 5-acetate (derivative); Anhydride derivative of cantharidic acid acetate.
EINECS	Contact for details

Quality Control

Our 5-Acetyloxy-3A,4,7,7A-Tetrahydro-7-Methyl-4-(1-Methylethyl)-4,7-Ethanoisobenzofuran-1,3-Dione is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing key specifications such as assay, impurity profile, and physical characteristics. Our quality commitment supports applications requiring high-purity intermediates, including pharmaceutical R&D.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 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.