Description

[2]Benzopyrano[4,3-B][1]Benzopyran-5,7-Dione is a high-purity organic compound belonging to the benzopyrone class, recognized for its specific fused ring structure. This compound is valued for its role as a key synthetic intermediate and building block in advanced chemical research and development. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting specific biological pathways.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its unique heterocyclic framework.
• Organic Synthesis Building Block: Acts as a versatile scaffold for constructing complex molecules in academic and industrial research laboratories.
• Material Science: Investigated for potential applications in the development of organic electronic materials and advanced polymers.
• Biochemical Research: Employed in studies exploring enzyme inhibitors or modulators due to its benzopyrone core structure.

Basic Information

Product Name	[2]Benzopyrano[4,3-B][1]Benzopyran-5,7-Dione
CAS No.	5651-58-1
Molecular Formula	C₁₇H₈O₄
Molecular Weight	276.24 g/mol
Synonyms	5,7-Dioxo-5H,7H-[1]benzopyrano[4,3-b][1]benzopyran; 5H,7H-Benzopyrano[4,3-b]benzopyran-5,7-dione; 5,7-Dioxobenzopyranobenzopyran; NSC 407348; 2H,8H-Benzo[1,2-b:5,4-b']dipyran-2,8-dione; Benzo[1,2-b:5,4-b']dipyran-2,8-dione
EINECS	Contact for details

Quality Control

Our [2]Benzopyrano[4,3-B][1]Benzopyran-5,7-Dione is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing key parameters such as assay and impurity profiles.

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). This material is easily oxidized and should be handled under an inert atmosphere for long-term stability. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange 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	≤ 20 ppm

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