Description

Ethyl 3-Ethyl-1,2,4-Oxadiazole-5-Carboxylate is a high-purity, versatile heterocyclic building block of significant interest in advanced organic synthesis. Its value lies in its role as a key precursor for constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to innovate and scale new products.

Application

• Pharmaceutical Intermediate: A crucial synthon for the research and development of new drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and infectious diseases.
• Agrochemical Synthesis: Serves as a building block for novel herbicides, fungicides, and insecticides, contributing to the development of more effective and selective crop protection agents.
• Material Science Research: Used in the synthesis of specialized polymers, ligands, and organic electronic materials due to its unique heterocyclic structure.
• Chemical Biology & Proteomics: Employed as a reactive handle or scaffold in the design of chemical probes, enzyme inhibitors, and bioconjugation reagents.
• Academic & Contract Research: A valuable reagent for methodological studies in organic chemistry and for contract research organizations (CROs) serving the life sciences sector.

Basic Information

Product Name	Ethyl 3-Ethyl-1,2,4-Oxadiazole-5-Carboxylate
CAS No.	139443-40-6
Molecular Formula	C7H10N2O3
Molecular Weight	170.17 g/mol
Synonyms	5-Carbethoxy-3-ethyl-1,2,4-oxadiazole; Ethyl 3-ethyl-1,2,4-oxadiazole-5-carboxylate; 3-Ethyl-1,2,4-oxadiazole-5-carboxylic acid ethyl ester; 1,2,4-Oxadiazole-5-carboxylic acid, 3-ethyl-, ethyl ester; Ethyl 3-ethyl-[1,2,4]oxadiazole-5-carboxylate; 5-Ethoxycarbonyl-3-ethyl-1,2,4-oxadiazole
EINECS	Contact for details

Quality Control

Our Ethyl 3-Ethyl-1,2,4-Oxadiazole-5-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment supports compliance with cGMP, ICH guidelines, and other relevant regulatory frameworks for pharmaceutical and agrochemical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider holding under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Standard Grade)
Purity (GC)	≥ 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.