Description

4-Ethyl-3-(Methylsulfonyl)-4H-1,2,4-Triazole is a high-value, functionalized heterocyclic compound that serves as a critical building block in advanced organic synthesis. Its unique sulfonyl-substituted triazole core makes it a versatile intermediate for developing novel active ingredients in the pharmaceutical and agrochemical sectors. This compound is primarily sought by R&D chemists and process development scientists working on new drug candidates, crop protection agents, and specialty materials.

Application

• Pharmaceutical Intermediate: Key synthon for the development of new active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs targeting enzyme inhibition.
• Agrochemical Synthesis: Used in the research and production of next-generation herbicides, fungicides, and insecticides, leveraging its bioactive heterocyclic structure.
• Ligand & Catalyst Development: Serves as a precursor for creating specialized ligands in coordination chemistry and catalysis for fine chemical manufacturing.
• Material Science Research: Investigated as a monomer or additive for producing polymers with specific thermal or chemical resistance properties.
• Chemical Biology Probes: Utilized in the synthesis of molecular probes for studying biological pathways and target engagement.

Basic Information

Item	Details
Product Name	4-Ethyl-3-(Methylsulfonyl)-4H-1,2,4-Triazole
CAS No.	1363210-23-4
Molecular Formula	C5H9N3O2S
Molecular Weight	175.21 g/mol
Synonyms	4-Ethyl-3-(methylsulfonyl)-1,2,4-triazole; 3-(Methylsulfonyl)-4-ethyl-4H-1,2,4-triazole; 4H-1,2,4-Triazole, 4-ethyl-3-(methylsulfonyl)-; 4-Ethyl-3-methanesulfonyl-4H-1,2,4-triazole; 1363210-23-4; 4-Ethyl-3-methylsulfonyl-4H-1,2,4-triazole
EINECS	Contact for details

Quality Control

Every batch of 4-Ethyl-3-(Methylsulfonyl)-4H-1,2,4-Triazole is manufactured under strict quality management systems. We provide comprehensive analytical documentation to support your regulatory and R&D needs. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for each lot. Our quality commitment ensures consistency and reliability for your critical synthesis workflows.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.