Description

Dimethyl 6-Oxo-6H-Dibenzo[B,D]Pyran-4,8-Dicarboxylate is a high-purity organic compound belonging to the dibenzopyran class, serving as a critical advanced intermediate in fine chemical synthesis. Its value lies in its precise molecular structure, which enables the construction of complex molecules for high-value applications. This product is essential for research and development laboratories and production facilities in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-quality building blocks.

Application

• Pharmaceutical Intermediate: A key synthon in the research and production of active pharmaceutical ingredients (APIs), particularly for compounds with complex polycyclic frameworks.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its dibenzopyran core structure.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a precursor or core structure in the synthesis of electron-transport or host materials for display and lighting technologies.
• Dye and Pigment Intermediate: Employed in the manufacture of high-performance dyes and organic pigments due to its conjugated system.
• Ligand and Catalyst Development: Acts as a starting material for creating specialized ligands used in catalytic processes and metal-organic frameworks (MOFs).
• Academic and Industrial R&D: A valuable compound for methodological studies in organic synthesis and for exploring new chemical entities.

Basic Information

Product Name	Dimethyl 6-Oxo-6H-Dibenzo[B,D]Pyran-4,8-Dicarboxylate
CAS No.	67801-59-6
Molecular Formula	C₁₈H₁₂O₆
Molecular Weight	324.28 g/mol
Synonyms	4,8-Dicarbomethoxy-6-oxo-6H-dibenzo[b,d]pyran; Dimethyl 6-oxodibenzo[b,d]pyran-4,8-dicarboxylate; 6H-Dibenzo[b,d]pyran-4,8-dicarboxylic acid, 6-oxo-, dimethyl ester; 6-Oxo-6H-dibenzo[b,d]pyran-4,8-dicarboxylic acid dimethyl ester
EINECS	Contact for details

Quality Control

Every batch of Dimethyl 6-Oxo-6H-Dibenzo[B,D]Pyran-4,8-Dicarboxylate is manufactured under strict quality management systems. We provide comprehensive analytical documentation, including Certificates of Analysis (COA) with data from HPLC, GC, NMR, and IR spectroscopy to verify identity, purity, and conformity. Our quality commitment ensures the material meets the stringent requirements for use in regulated research and production environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 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	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (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.