Description

4-Mercaptopyridine-2-Carboxylic Acid is a versatile heterocyclic building block featuring both a carboxylic acid and a thiol functional group. This bifunctional nature makes it a critical intermediate for synthesizing complex molecules in advanced research and development. It is particularly valuable for the pharmaceutical, agrochemical, and material science industries, where it is used to create ligands, active pharmaceutical ingredients (APIs), and functional polymers.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting neurological disorders and as metalloenzyme inhibitors.
• Agrochemical Synthesis: Used in the development of new herbicides and fungicides, leveraging its heterocyclic structure for biological activity.
• Ligand for Metal Complexes: The thiol and carboxylate groups make it an excellent chelating agent for creating catalysts used in organic synthesis and industrial processes.
• Material Science: Serves as a monomer or cross-linking agent for developing specialty polymers with unique electronic or adhesive properties.
• Bioconjugation Chemistry: Utilized in biochemical research for labeling proteins and other biomolecules via its reactive thiol group.
• Research & Development: A fundamental reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways.

Basic Information

Product Name	4-Mercaptopyridine-2-Carboxylic Acid
CAS No.	18103-74-7
Molecular Formula	C6H5NO2S
Molecular Weight	155.17 g/mol
Synonyms	2-Pyridinecarboxylic acid, 4-mercapto-; 4-Thiolpicolinic Acid; 4-Sulfanylpyridine-2-carboxylic acid; 4-Mercaptopicolinic Acid; 4-MPCA; 2-Carboxy-4-mercaptopyridine; 4-Mercapto-2-pyridinecarboxylic acid
EINECS	Contact for details

Quality Control

Our 4-Mercaptopyridine-2-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is light-sensitive and easily oxidized; for long-term storage, consider an inert atmosphere (e.g., nitrogen or argon) to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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