Description

1-Methyl-1H-1,2,3-Benzotriazole-5-Carboxylic Acid CAS NO 305381-67-3 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 research institutions and industrial manufacturers engaged in creating novel active ingredients, corrosion inhibitors, and polymer additives.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those targeting specific enzyme inhibition.
• Agrochemical Synthesis: Used in the development of new-generation herbicides, fungicides, and plant growth regulators.
• Corrosion Inhibitor Formulation: Acts as a synergistic component in advanced formulations for protecting metals, especially in cooling water systems and industrial fluids.
• Polymer Additive: Incorporated into polymers to enhance UV stability and other material properties.
• Organic Light-Emitting Diodes (OLEDs): Serves as a building block for electron-transport materials or host materials in OLED device fabrication.
• Research & Development: A valuable reagent for medicinal chemistry and material science research, enabling the exploration of new chemical entities.

Basic Information

Product Name	1-Methyl-1H-1,2,3-Benzotriazole-5-Carboxylic Acid
CAS No.	305381-67-3
Molecular Formula	C8H7N3O2
Molecular Weight	177.16 g/mol
Synonyms	5-Carboxy-1-methylbenzotriazole; 1-Methyl-1H-benzotriazole-5-carboxylic acid; 1-Methylbenzotriazole-5-carboxylic acid; 1-Methyl-1H-1,2,3-benzotriazol-5-yl carboxylic acid; 305381-67-3; 1-Methyl-5-carboxybenzotriazole; MBTA-COOH
EINECS	Contact for details

Quality Control

Our 1-Methyl-1H-1,2,3-Benzotriazole-5-Carboxylic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for synthesis and research. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.