Description

4,5-Dioxo-4,5-Dihydro-1H-Pyrrol[2,3-F]Quinoline-2,7,9-Tricarboxylic Acid Trimethyl Ester is a high-purity, multi-functional heterocyclic organic compound that serves as a critical advanced intermediate in sophisticated chemical synthesis. Its complex fused-ring structure and multiple ester functionalities make it a valuable building block for the development of novel materials and active pharmaceutical ingredients (APIs). This compound is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for its role in creating complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex heterocyclic APIs, particularly those targeting specific biological pathways.
• Agrochemical Research: Used in the development of new-generation herbicides, fungicides, and insecticides with novel modes of action.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a core structure for developing electron-transport or host materials in display and lighting technologies.
• Dye & Pigment Synthesis: Acts as an intermediate for creating high-performance, color-fast quinoline-based dyes and pigments.
• Coordination Chemistry & Ligand Design: The tricarboxylic ester framework can be hydrolyzed to form multidentate ligands for metal-organic frameworks (MOFs) or catalysts.
• Academic & Contract Research: A valuable reagent for methodological studies in organic synthesis and medicinal chemistry research programs.

Basic Information

Product Name	4,5-Dioxo-4,5-Dihydro-1H-Pyrrol[2,3-F]Quinoline-2,7,9-Tricarboxylic Acid Trimethyl Ester
CAS No.	74447-88-4
Molecular Formula	C18H13NO9
Molecular Weight	387.30 g/mol
Synonyms	1H-Pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid, 4,5-dihydro-4,5-dioxo-, trimethyl ester; Trimethyl 4,5-dioxo-4,5-dihydro-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylate; Pyrroloquinoline Tricarboxylic Ester; 74447-88-4; AQ-235 (Research Code); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 4,5-Dioxo-4,5-Dihydro-1H-Pyrrol[2,3-F]Quinoline-2,7,9-Tricarboxylic Acid Trimethyl Ester is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing batch-specific results 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 a controlled room temperature (typically 15-25°C). Keep the container tightly sealed when not in use to protect from moisture. Store away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Heavy Metals	≤ 20 ppm

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