Description

Quinoxaline-5,6,7,8-D4 is a deuterated derivative of quinoxaline, a versatile heterocyclic compound, specifically labeled at the 5, 6, 7, and 8 positions. This stable isotope-labeled compound is essential for advanced analytical and research applications where precise molecular tracking is required. It is primarily utilized by researchers and scientists in the fields of pharmaceutical development, analytical chemistry, and metabolic studies.

Application

• As an internal standard in quantitative mass spectrometry (MS) and liquid chromatography-mass spectrometry (LC-MS) for accurate pharmaceutical analysis.
• For use in metabolic pathway tracing and drug metabolism studies (DMPK) to understand the fate of quinoxaline-based compounds.
• In NMR spectroscopy as a tool for mechanistic studies and structural elucidation due to its distinct deuterium signature.
• For the development and validation of analytical methods in compliance with regulatory guidelines (e.g., FDA, ICH).
• In organic synthesis research as a labeled building block for creating more complex deuterated molecules.
• As a critical reagent in academic and industrial R&D focused on materials science and chemical biology involving quinoxaline scaffolds.

Basic Information

Product Name	Quinoxaline-5,6,7,8-D4
CAS No.	64252-08-0
Molecular Formula	C8D4N2
Molecular Weight	134.18 g/mol
Synonyms	Quinoxaline-d4; 1,4-Diazanaphthalene-5,6,7,8-d4; Benzopyrazine-d4; 5,6,7,8-Tetradeuteroquinoxaline; Quinoxaline (5,6,7,8-d4); Deuteroquinoxaline; [5,6,7,8-2H4]Quinoxaline
EINECS	Contact for details

Quality Control

Our Quinoxaline-5,6,7,8-D4 is produced under strict quality management systems to ensure high isotopic purity and chemical integrity. Each batch is characterized by advanced spectroscopic techniques, including NMR and MS, to confirm deuteration level and chemical purity. A comprehensive Certificate of Analysis (COA) detailing isotopic enrichment, assay, and impurity profile is provided with every shipment to support your research and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Keep the container sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥98.0%
Isotopic Purity (Deuteration Degree)	≥98 atom % D
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.