Description

3-Quinolinecarboxylic Acid, 1,1'-(3,5-Difluoro-2,6-Pyridinediyl)Bis[6,7-Difluoro-1,4-Dihydro-4-Oxo-, Diethyl Ester (9Ci) is a high-purity, complex organic intermediate featuring a fused quinoline and pyridine core with multiple fluorine substituents. This compound matters for its role as a critical building block in the synthesis of advanced pharmaceutical agents, particularly those targeting specific enzymatic pathways. It is primarily needed by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and other fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug molecules, especially in oncology and antiviral research.
• Organic Light-Emitting Diode (OLED) Material Research: Used in the development of novel electron-transport or host materials due to its fused aromatic and fluorinated structure.
• Agrochemical Synthesis: Acts as a building block for creating new generation pesticides and herbicides with enhanced activity.
• Ligand for Catalysis: Potential use in designing specialized ligands for transition metal catalysis in asymmetric synthesis.
• Fluorescent Probe Development: Utilized in research to create sensitive chemical probes for bioimaging and diagnostic applications.
• Academic & Industrial R&D: Employed in chemical research to explore new reactions and synthesize novel heterocyclic compounds.

Basic Information

Product Name	3-Quinolinecarboxylic Acid, 1,1'-(3,5-Difluoro-2,6-Pyridinediyl)Bis[6,7-Difluoro-1,4-Dihydro-4-Oxo-, Diethyl Ester (9Ci)
CAS No.	906088-97-9
Molecular Formula	C29H18F4N2O6
Molecular Weight	566.46 g/mol
Synonyms	1,1'-(3,5-Difluoro-2,6-pyridinediyl)bis[6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid diethyl ester; Diethyl 1,1'-(3,5-difluoro-2,6-pyridinediyl)bis(6,7-difluoro-4-oxo-1,4-dihydro-3-quinolinecarboxylate); 3-Quinolinecarboxylic acid, 1,1'-(3,5-difluoro-2,6-pyridinediyl)bis[6,7-difluoro-1,4-dihydro-4-oxo-, diethyl ester; 906088-97-9; 1,1'-(3,5-Difluoro-2,6-pyridinediyl)bis(6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid) diethyl ester
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting critical specifications. We support development and cGMP-grade requirements, with quality protocols designed to meet the stringent demands of pharmaceutical R&D.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). The compound may be light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Single Impurity (HPLC)	≤ 1.0%
Water Content (KF)	≤ 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.