Description

Naphtho[1,2-B]Furan-4,5-Dione, 2,3-Dihydro- (8Ci,9Ci) is a high-purity, fused-ring quinone derivative with the CAS number 32013-77-7. This compound serves as a versatile and critical organic intermediate and building block for advanced chemical synthesis. It is primarily sought by R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those with fused-ring heterocyclic structures.
• Agrochemical Synthesis: Building block for developing advanced pesticides, herbicides, and fungicides with specific modes of action.
• Organic Electronic Materials: Used in research for creating π-conjugated systems applicable in OLEDs, organic photovoltaics, and semiconductors.
• Dye and Pigment Intermediate: Serves as a core structure for synthesizing specialized quinone-based colorants and pigments.
• Polymer Chemistry: Functional monomer or cross-linking agent for creating polymers with specific thermal or electronic properties.
• Chemical Research & Development: A valuable reagent for methodological studies in organic synthesis, including oxidation and cyclization reactions.

Basic Information

Product Name	Naphtho[1,2-B]Furan-4,5-Dione, 2,3-Dihydro- (8Ci,9Ci)
CAS No.	32013-77-7
Molecular Formula	C₁₂H₆O₃
Molecular Weight	198.18 g/mol
Synonyms	2,3-Dihydronaphtho[1,2-b]furan-4,5-dione; Naphtho[1,2-b]furan-4,5-dione, 2,3-dihydro-; 4,5-Naphthofurandione, 2,3-dihydro-; 1,2-Naphthoquinone fused with 2,3-dihydrofuran; Benzo[g]isobenzofuran-4,5-dione, 5,6-dihydro-; Contact for additional trade names and abbreviations.
EINECS	Contact for details

Quality Control

Our Naphtho[1,2-B]Furan-4,5-Dione, 2,3-Dihydro- is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC and NMR, to ensure high purity and consistent composition. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.