Description

6(Or 7)-Ethoxy-6,7-Dihydro-3,12-Dimethylbenzo[C]Pyridazino[1,2-A]Cinnoline-6,7,8,9-Tetracarboxylic Acid Tetraethyl Ester is a high-purity, complex heterocyclic compound serving as a critical advanced intermediate in organic synthesis. Its intricate fused-ring structure makes it a valuable building block for the development of novel functional materials and active pharmaceutical ingredients (APIs). This compound is primarily sought by research institutions and industrial R&D departments focused on pharmaceuticals, agrochemicals, and specialty dyes.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting complex biological pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides with unique modes of action.
• Organic Light-Emitting Diodes (OLEDs): Serves as a potential core structure for electron-transport or emissive layer materials in display technologies.
• Dye & Pigment Synthesis: Building block for creating specialized colorants with enhanced stability and performance properties.
• Academic & Contract Research: Essential reagent for methodological studies in heterocyclic and polycyclic compound chemistry.
• Material Science: Investigated for use in the creation of organic semiconductors or conductive polymers.

Basic Information

Product Name	6(Or 7)-Ethoxy-6,7-Dihydro-3,12-Dimethylbenzo[C]Pyridazino[1,2-A]Cinnoline-6,7,8,9-Tetracarboxylic Acid Tetraethyl Ester
CAS No.	77495-91-1
Molecular Formula	C30H30N2O9
Molecular Weight	562.57 g/mol
Synonyms	Benzo[c]pyridazino[1,2-a]cinnoline-6,7,8,9-tetracarboxylic acid, 6,7-dihydro-3,12-dimethyl-6(or 7)-ethoxy-, tetraethyl ester; Tetraethyl 6(7)-ethoxy-6,7-dihydro-3,12-dimethylbenzo[c]pyridazino[1,2-a]cinnoline-6,7,8,9-tetracarboxylate; 6(7)-Ethoxy-3,12-dimethyl-6,7-dihydrobenzo[c]pyridazino[1,2-a]cinnoline-6,7,8,9-tetracarboxylic acid tetraethyl ester; CAS 77495-91-1
EINECS	Contact for details

Quality Control

Our 6(Or 7)-Ethoxy-6,7-Dihydro-3,12-Dimethylbenzo[C]Pyridazino[1,2-A]Cinnoline-6,7,8,9-Tetracarboxylic Acid Tetraethyl Ester is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We adhere to cGMP principles where applicable to support our clients in regulated research and development.

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 heat sources and incompatible materials. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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