Description

Tetrahydro-1H-Cyclopenta[C]Furan-1,3(3Ah)-Dione is a versatile bicyclic lactone compound, also known as 2-Oxabicyclo[3.3.0]octane-3,7-dione, which serves as a critical building block in advanced organic synthesis. Its unique fused-ring structure makes it a valuable precursor for synthesizing complex molecules, particularly in the pharmaceutical and fine chemical sectors. This compound is essential for research and production chemists developing novel active pharmaceutical ingredients (APIs), agrochemicals, and specialty materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of prostaglandins, nucleoside analogs, and other complex bioactive molecules.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators requiring specific bicyclic frameworks.
• Fine Chemical Production: Serves as a foundational material for creating flavors, fragrances, and high-value specialty chemicals.
• Academic & Industrial Research: Employed in methodological development and as a model compound in organic chemistry and catalysis studies.
• Material Science: Potential monomer or cross-linking agent in the development of novel polymers with specific thermal or mechanical properties.

Basic Information

Product Name	Tetrahydro-1H-Cyclopenta[C]Furan-1,3(3Ah)-Dione
CAS No.	5763-49-5
Molecular Formula	C7H8O3
Molecular Weight	140.14 g/mol
Synonyms	2-Oxabicyclo[3.3.0]octane-3,7-dione; 3,7-Dioxo-2-oxabicyclo[3.3.0]octane; 1,3-Cyclopentanedicarboxylic anhydride, tetrahydro-; Tetrahydro-1H-cyclopenta[c]furan-1,3-dione; 3,7-Dioxabicyclo[3.3.0]octane-2,6-dione (common misnomer); Bicyclic Lactone 5763-49-5
EINECS	227-277-5

Quality Control

Our Tetrahydro-1H-Cyclopenta[C]Furan-1,3(3Ah)-Dione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical parameters. Our production adheres to cGMP guidelines where applicable, ensuring reliability for sensitive pharmaceutical and research applications.

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). This product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	92 - 96 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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