Description

4,7-Epoxy-3A,4,7,7A-Tetrahydroisobenzofuran-1(3H)-One is a specialized heterocyclic compound featuring a fused furanone and oxirane structure, serving as a versatile and high-value synthetic intermediate. Its unique molecular architecture makes it a critical precursor for the synthesis of complex molecules in advanced research and development. This compound is essential for chemists and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries seeking to build novel molecular frameworks.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates, particularly those requiring complex oxygenated heterocycles.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides where its epoxy and lactone functionalities introduce specific biological activity.
• Fine Chemical Production: Serves as a precursor for fragrances, flavors, and other specialty chemicals requiring precise stereochemistry and functional group manipulation.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the development of specialty polymers, resins, and advanced materials with tailored properties.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic synthesis, including studies on ring-opening reactions and cascade cyclizations.

Basic Information

Product Name	4,7-Epoxy-3A,4,7,7A-Tetrahydroisobenzofuran-1(3H)-One
CAS No.	72150-22-2
Molecular Formula	C8H8O3
Molecular Weight	152.15 g/mol
Synonyms	4,7-Epoxyisobenzofuran-1(3H)-one, 3a,4,7,7a-tetrahydro-; 3a,4,7,7a-Tetrahydro-4,7-epoxyisobenzofuran-1(3H)-one; 4,7-Epoxy-3a,4,7,7a-tetrahydro-1-benzofuran-1(3H)-one; 1-Oxa-4,6-dioxatricyclo[3.3.0.02,8]octan-3-one; Tetrahydro-4,7-epoxyisobenzofuran-1(3H)-one; 4,7-Epoxyhexahydroisobenzofuran-1-one
EINECS	Contact for details

Quality Control

Our 4,7-Epoxy-3A,4,7,7A-Tetrahydroisobenzofuran-1(3H)-One is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our commitment to quality supports applications in cGMP environments and advanced research where material integrity is paramount.

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 strong oxidizing agents, strong bases, and sources of ignition. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.0%

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