Description

3-Sulfo-2-Pyridinecarboxylic Acid 2-Methyl Ester is a specialized pyridine derivative that serves as a key synthetic intermediate and building block in advanced organic chemistry. Its value lies in the unique combination of a sulfonic acid group and a methyl ester moiety on the pyridine ring, enabling precise functionalization and solubility control in target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing active ingredients and fine chemicals requiring specific electronic and steric properties.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel active pharmaceutical ingredients (APIs), especially in drug discovery programs targeting neurological and metabolic diseases.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, where the pyridine-sulfonate structure contributes to bioactivity and environmental profile.
• Ligand and Catalyst Precursor: Serves as a starting material for creating complex ligands used in transition metal catalysis and coordination chemistry.
• Functional Material Research: Employed in the synthesis of organic electronic materials, dyes, and pigments due to its electron-withdrawing and solubilizing characteristics.
• Chemical Biology Probe Development: Utilized as a scaffold for creating molecular probes and tags for studying biological processes and protein interactions.
• Custom Synthesis and Contract Manufacturing: A valuable reagent for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving the life sciences sector.

Basic Information

Item	Details
Product Name	3-Sulfo-2-Pyridinecarboxylic Acid 2-Methyl Ester
CAS No.	1171822-48-2
Molecular Formula	C8H7NO5S
Molecular Weight	229.21 g/mol
Synonyms	2-(Methoxycarbonyl)pyridine-3-sulfonic acid; Methyl 3-sulfopyridine-2-carboxylate; 2-Pyridinecarboxylic acid, 3-sulfo-, methyl ester; 3-Sulfopyridine-2-carboxylic acid methyl ester; Pyridine-3-sulfonic acid, 2-methoxycarbonyl-; Methyl 2-(methoxycarbonyl)pyridine-3-sulfonate; 2-Carbomethoxy-3-sulfopyridine
EINECS	Contact for details

Quality Control

Every batch of 3-Sulfo-2-Pyridinecarboxylic Acid 2-Methyl Ester is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the high-purity standards required for research and commercial synthesis. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is supplied with each shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

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)	≤ 10 ppm

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