Description

9-Oxo-9H-Fluorene-1,6-Dicarboxylic Acid Dimethyl Ester is a high-purity, multifunctional organic building block and key intermediate in advanced chemical synthesis. This compound is valued for its rigid, planar fluorene core and strategically positioned functional groups, enabling precise molecular construction. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and materials science sectors for developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of complex drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory applications.
• Agrochemical Synthesis: Used as a key building block for developing new-generation herbicides and fungicides with enhanced efficacy and environmental profiles.
• Organic Electronic Materials: Serves as a core structure in the development of organic light-emitting diodes (OLEDs), field-effect transistors (OFETs), and other optoelectronic materials.
• Ligand and Catalyst Development: Employed in the design of novel chelating ligands and organocatalysts for asymmetric synthesis and transition metal catalysis.
• Polymer and Resin Chemistry: Acts as a monomer or cross-linking agent for creating high-performance, heat-resistant polymers and specialty resins.
• Academic and R&D: A valuable reagent for fundamental organic chemistry research and the exploration of new synthetic methodologies in university and corporate laboratories.

Basic Information

Product Name	9-Oxo-9H-Fluorene-1,6-Dicarboxylic Acid Dimethyl Ester
CAS No.	857789-33-4
Molecular Formula	C₁₈H₁₄O₅
Molecular Weight	310.30 g/mol
Synonyms	Dimethyl 9-Oxo-9H-fluorene-1,6-dicarboxylate; 1,6-Fluorenedicarboxylic Acid, 9-Oxo-, Dimethyl Ester; 9H-Fluorene-1,6-dicarboxylic Acid, 9-Oxo-, Dimethyl Ester; 9-Oxofluorene-1,6-dicarboxylic Acid Dimethyl Ester; 9-Oxo-9H-fluorene-1,6-dicarboxylic acid, 1,6-dimethyl ester; Fluorene-1,6-dicarboxylic acid, 9-oxo-, dimethyl ester
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch of 9-Oxo-9H-Fluorene-1,6-Dicarboxylic Acid Dimethyl Ester is analyzed using advanced techniques including HPLC, GC, and NMR to verify identity, purity, and the absence of critical impurities. We adhere to strict in-process controls, and comprehensive Certificates of Analysis (COA) documenting all relevant specifications are available upon request to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single impurity	≤ 0.5%
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.