Description

1-Ethyl-1H-1,2,3-Benzotriazole-5-Carboxylic Acid CAS NO 691363-31-2 is a high-purity, functionalized benzotriazole derivative serving as a critical building block in advanced organic synthesis. This compound is valued for its role as a versatile intermediate in the development of pharmaceuticals, agrochemicals, and specialty materials. It is essential for researchers and manufacturers in fine chemical, pharmaceutical R&D, and material science sectors requiring precise molecular scaffolds for complex synthesis.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those targeting specific enzyme inhibition or receptor modulation.
• Agrochemical Synthesis: Used in the development of novel fungicides, herbicides, and plant growth regulators due to its bioactive heterocyclic core.
• Material Science & Polymer Additives: Acts as a functional monomer or stabilizer precursor for creating advanced polymers, corrosion inhibitors, and UV stabilizers.
• Organic Light-Emitting Diodes (OLEDs): Serves as an electron-transport or host material component in the fabrication of efficient OLED devices.
• Ligand Synthesis for Catalysis: Utilized to construct complex chelating ligands for transition metal catalysts used in cross-coupling and other organic transformations.
• Research & Development: A valuable reagent for medicinal chemistry and chemical biology research in academic and industrial laboratories.

Basic Information

Product Name	1-Ethyl-1H-1,2,3-Benzotriazole-5-Carboxylic Acid
CAS No.	691363-31-2
Molecular Formula	C9H9N3O2
Molecular Weight	191.19 g/mol
Synonyms	5-Carboxy-1-ethylbenzotriazole; 1-Ethyl-1H-benzotriazole-5-carboxylic acid; 1-Ethyl-5-carboxybenzotriazole; 1-Ethyl-5-benzotriazolecarboxylic acid; 1-Ethyl-1,2,3-benzotriazole-5-carboxylic acid; 1-Ethyl-1H-benzo[d][1,2,3]triazole-5-carboxylic acid; 691363-31-2
EINECS	Contact for details

Quality Control

Our 1-Ethyl-1H-1,2,3-Benzotriazole-5-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets exacting standards for research and industrial use. Certificates of Analysis (COA) documenting all critical parameters 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, well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents, strong bases, and strong acids.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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