Description

2-Ethyl-3-Phenylquinoxaline 1-Oxide is a specialized heterocyclic compound belonging to the quinoxaline N-oxide class. This chemical serves as a versatile and valuable advanced intermediate in the synthesis of complex organic molecules, particularly in pharmaceutical and agrochemical research. It is primarily sought after by R&D chemists and process development scientists working on novel active ingredients, including potential pharmaceutical candidates and crop protection agents.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in therapeutic areas targeting CNS disorders or infectious diseases.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides, leveraging the bioactive quinoxaline scaffold.
• Organic Synthesis & Catalysis: Serves as a ligand precursor or a specialized reagent in transition metal-catalyzed reactions and other advanced synthetic methodologies.
• Material Science Research: Potential precursor for the development of organic electronic materials, such as light-emitting diodes (OLEDs) or charge-transport layers.
• Academic & Industrial R&D: Fundamental research compound for studying heterocyclic chemistry, N-oxide reactivity, and structure-activity relationships (SAR).

Basic Information

Product Name	2-Ethyl-3-Phenylquinoxaline 1-Oxide
CAS No.	10130-26-4
Molecular Formula	C₁₆H₁₄N₂O
Molecular Weight	250.30 g/mol
Synonyms	2-Ethyl-3-phenylquinoxaline N-oxide; 2-Ethyl-3-phenylquinoxaline 1,4-dioxide (check isomer); 3-Phenyl-2-ethylquinoxaline 1-oxide; Quinoxaline, 2-ethyl-3-phenyl-, 1-oxide; Ethylphenylquinoxaline N-oxide; EPQO; Contact for additional aliases.
EINECS	Contact for details

Quality Control

Our 2-Ethyl-3-Phenylquinoxaline 1-Oxide is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. We provide a detailed Certificate of Analysis (COA) with every shipment to ensure traceability, consistency, and compliance with your research or production specifications.

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). The compound may be light-sensitive; prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.