Description

2,3-Dichloro-n-(5-Fluoro-3-Methoxy-Pyrazin-2-Yl)Benzenesulfonamide is a high-purity, advanced pharmaceutical intermediate with a distinct sulfonamide-pyrazine core structure. This compound is critical for the research and development of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring targeted molecular scaffolds. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to introduce specific halogenated and heterocyclic motifs into their molecular designs.

Application

• Key synthetic building block for the development of new pharmaceutical candidates.
• Intermediate in the synthesis of potential agrochemicals, such as herbicides and fungicides.
• Research chemical for studying structure-activity relationships (SAR) in medicinal chemistry.
• Precursor for the preparation of more complex sulfonamide-based compounds.
• Used in process chemistry for route scouting and optimization of API manufacturing.
• Reference standard for analytical method development and quality control in regulated industries.

Basic Information

Product Name	2,3-Dichloro-n-(5-Fluoro-3-Methoxy-Pyrazin-2-Yl)Benzenesulfonamide
CAS No.	942137-41-9
Molecular Formula	C11H7Cl2FN4O3S
Molecular Weight	377.16 g/mol
Synonyms	2,3-Dichloro-N-(5-fluoro-3-methoxypyrazin-2-yl)benzenesulfonamide; Benzenesulfonamide, 2,3-dichloro-N-(5-fluoro-3-methoxy-2-pyrazinyl)-; 942137-41-9; 5-Fluoro-3-methoxy-N-(2,3-dichlorophenylsulfonyl)pyrazin-2-amine; N-(5-Fluoro-3-methoxypyrazin-2-yl)-2,3-dichlorobenzenesulfonamide
EINECS	Contact for details

Quality Control

Our production of 2,3-Dichloro-n-(5-Fluoro-3-Methoxy-Pyrazin-2-Yl)Benzenesulfonamide adheres to stringent quality management protocols. Every batch is characterized and tested using advanced analytical techniques including HPLC, GC, NMR, and MS to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under dry, inert conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC/IR)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.