Description

Pyridinium, 1-Amino-3-Bromo-5-Methoxy-, 2,4,6-Trimethylbenzenesulfonate (1:1) is a high-purity, functionalized pyridinium salt designed for advanced synthetic chemistry and pharmaceutical research. This compound serves as a versatile and reactive intermediate, offering a unique combination of a bromo-substituent for cross-coupling reactions and a mesylate counterion for enhanced solubility and reactivity. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures, including active pharmaceutical ingredients (APIs) and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those requiring functionalized heterocyclic cores.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its reactive halogen site.
• Ligand and Catalyst Precursor: Serves as a precursor for the development of specialized ligands and organocatalysts in asymmetric synthesis.
• Material Science Research: Employed in the creation of ionic liquids, conductive polymers, or other functional organic materials.
• Cross-Coupling Reactions: The bromo substituent makes it a suitable substrate for Suzuki, Heck, and other palladium-catalyzed cross-coupling reactions.
• Chemical Biology Probes: Can be used to develop molecular probes for studying biological processes due to its modifiable functional groups.

Basic Information

Item	Detail
Product Name	Pyridinium, 1-Amino-3-Bromo-5-Methoxy-, 2,4,6-Trimethylbenzenesulfonate (1:1)
CAS No.	1207839-87-9
Molecular Formula	C15H19BrN2O4S
Molecular Weight	403.29 g/mol
Synonyms	1-Amino-3-bromo-5-methoxypyridinium 2,4,6-trimethylbenzenesulfonate; 3-Bromo-5-methoxy-1-aminopyridinium mesitylenesulfonate; 1-Azonia-3-bromo-5-methoxypyridine-1-amine 2,4,6-trimethylbenzenesulfonate; (1-Amino-3-bromo-5-methoxypyridin-1-ium) mesitylenesulfonate; Amino-bromo-methoxypyridinium trimethylbenzenesulfonate; Pyridinium salt CAS 1207839-87-9
EINECS	Contact for details

Quality Control

Every batch of Pyridinium, 1-Amino-3-Bromo-5-Methoxy-, 2,4,6-Trimethylbenzenesulfonate (1:1) is manufactured under strict quality management systems. Our products undergo rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment. We support compliance with cGMP and ISO standards for research and development applications.

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). This compound is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to maintain stability and purity. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.