Description

5-Ethyl-5H-Pyridazino[1,2-A]Benzotriazole-7,8,9,10-Tetracarboxylic Acid Tetramethyl Ester is a high-purity, complex heterocyclic organic compound primarily utilized as a sophisticated chemical intermediate. Its value lies in its unique fused-ring structure, which makes it a critical building block for advanced materials and pharmaceutical research. This product is essential for R&D chemists and process development scientists working in pharmaceutical synthesis, agrochemical development, and organic electronics.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs) with complex heterocyclic cores.
• Agrochemical Research: Used in developing advanced crop protection agents and herbicides due to its fused aromatic system.
• Organic Semiconductor Synthesis: Serves as a building block for electron-transport materials (ETMs) or hole-blocking layers in OLED and OPV research.
• Dye & Pigment Chemistry: Intermediate for creating specialized dyes, pigments, and fluorescent markers with specific photophysical properties.
• Ligand & Catalyst Development: Potential precursor for chelating ligands used in catalysis and metal-organic frameworks (MOFs).
• Academic & Industrial R&D: Used in methodological studies and as a reference standard in organic synthesis laboratories.

Basic Information

Product Name	5-Ethyl-5H-Pyridazino[1,2-A]Benzotriazole-7,8,9,10-Tetracarboxylic Acid Tetramethyl Ester
CAS No.	37922-09-1
Molecular Formula	C20H16N4O8
Molecular Weight	440.37 g/mol
Synonyms	5-Ethyl-5H-pyridazino[1,2-a]benzotriazole-7,8,9,10-tetracarboxylic acid 7,8,9,10-tetramethyl ester; 5H-Pyridazino[1,2-a]benzotriazole-7,8,9,10-tetracarboxylic acid, 5-ethyl-, 7,8,9,10-tetramethyl ester; Tetramethyl 5-ethyl-5H-pyridazino[1,2-a]benzotriazole-7,8,9,10-tetracarboxylate; 37922-09-1; 5-Ethyl-5H-pyridazino[1,2-a]benzotriazole-7,8,9,10-tetracarboxylate tetramethyl ester
EINECS	Contact for details

Quality Control

Our production of 5-Ethyl-5H-Pyridazino[1,2-A]Benzotriazole-7,8,9,10-Tetracarboxylic Acid Tetramethyl Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity for research and development applications. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials. For long-term storage, consider inert atmosphere conditions to preserve stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
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.