Description

2-Carboxy-1-Methylpyridinium Chloride is a versatile organic salt and a key intermediate in fine chemical synthesis. Its value lies in its unique pyridinium structure, which makes it a valuable building block for pharmaceuticals, agrochemicals, and advanced materials. This compound is essential for research and development chemists, process engineers, and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing functionalized pyridine or nicotinic acid derivatives.
• Agrochemical Synthesis: Used in the production of advanced herbicides, insecticides, and plant growth regulators that require specific cationic or carboxylate functionalities.
• Biochemical Research: Serves as a precursor or reagent in biochemical studies, enzyme research, and the development of diagnostic agents.
• Ligand and Catalyst Preparation: Employed in the synthesis of specialized ligands for metal catalysis and in the preparation of ionic liquids for green chemistry applications.
• Material Science: Acts as a monomer or modifier in the creation of functional polymers, coatings, and advanced materials with specific ionic properties.
• Organic Synthesis Reagent: Utilized in various name reactions and as a source of a protected or activated carboxylic acid group on a heterocyclic scaffold.

Basic Information

Product Name	2-Carboxy-1-Methylpyridinium Chloride
CAS No.	3697-38-9
Molecular Formula	C7H8ClNO2
Molecular Weight	173.60 g/mol
Synonyms	1-Methyl-2-pyridinecarboxylic acid chloride; 1-Methylpyridinium-2-carboxylate chloride; N-Methylpicolinic acid hydrochloride; Picolinic acid, N-methyl-, chloride; 2-Pyridinecarboxylic acid, 1-methyl-, chloride; N-Methyl-2-pyridinecarboxylic acid hydrochloride; 1-Methyl-2-carboxypyridinium chloride; N-Methylpicolinium chloride
EINECS	223-030-5

Quality Control

Our 2-Carboxy-1-Methylpyridinium Chloride is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after each use to prevent moisture absorption, which can affect product stability and performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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