Description

4,5-B']Difuran-4,8-Dione is a specialized heterocyclic organic compound with the CAS number 267220-47-3. This high-purity intermediate is valued for its unique fused difuranone structure, which serves as a critical building block in advanced synthetic chemistry. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with novel modes of action.
• Material Science: Serves as a monomer or building block for creating specialized polymers and organic electronic materials.
• Organic Synthesis: A versatile reagent for constructing complex heterocyclic frameworks in academic and industrial R&D.
• Dye & Pigment Industry: Potential intermediate for synthesizing advanced colorants and functional dyes.

Basic Information

Product Name	4,5-B']Difuran-4,8-Dione
CAS No.	267220-47-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	4,5-B']Difuran-4,8-dione; [1,3]Dioxolo[4,5-b]furo[3,4-d]furan-5,7-dione; 4,5-B']Difurane-4,8-dione; 267220-47-3; Difurandione derivative
EINECS	Contact for details

Quality Control

Our 4,5-B']Difuran-4,8-Dione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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