Description

1-(3-Pyridinylsulfonyl)-1H-Benzotriazole CAS NO 678173-43-8 is a specialized heterocyclic sulfonamide compound that serves as a valuable synthetic intermediate and functional building block. Its molecular architecture, combining benzotriazole and pyridinylsulfonyl moieties, makes it a versatile precursor for developing advanced materials and active pharmaceutical ingredients (APIs). This high-purity chemical is essential for research institutions and industrial manufacturers engaged in organic synthesis, medicinal chemistry, and material science, where precise molecular control is critical for innovation.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting neurological and oncological pathways.
• Agrochemical Research: Used in the development of new-generation herbicides, fungicides, and plant growth regulators.
• Material Science: Acts as a monomer or functionalizing agent in the production of advanced polymers, liquid crystals, and organic electronic materials.
• Chemical Synthesis: Serves as a versatile reagent for introducing the benzotriazole-sulfonyl group in complex organic transformations and cross-coupling reactions.
• Bioconjugation & Probe Development: Utilized in creating fluorescent probes, affinity labels, and other tools for biochemical and diagnostic applications.
• Catalyst & Ligand Design: Foundational structure for designing novel metal-organic frameworks (MOFs) and catalytic ligands in asymmetric synthesis.

Basic Information

Product Name	1-(3-Pyridinylsulfonyl)-1H-Benzotriazole
CAS No.	678173-43-8
Molecular Formula	C11H8N4O2S
Molecular Weight	260.27 g/mol
Synonyms	1-(Pyridin-3-ylsulfonyl)-1H-benzotriazole; 1H-Benzotriazole, 1-(3-pyridinylsulfonyl)-; 3-(1H-Benzotriazol-1-ylsulfonyl)pyridine; N-(Pyridin-3-ylsulfonyl)benzotriazole; 1-(3-Pyridylsulfonyl)benzotriazole; Benzotriazole-1-sulfonic acid pyridin-3-yl ester; 3-Benzotriazole-1-sulfonylpyridine
EINECS	Contact for details

Quality Control

Our 1-(3-Pyridinylsulfonyl)-1H-Benzotriazole is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high chemical purity and structural integrity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring traceability and consistency for critical research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). The product is light-sensitive (store away from light). Keep the container tightly sealed in a dry environment to prevent moisture absorption. Store away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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