Description

2-Pyridinecarboxylic Acid, 3-(Chlorocarbonyl)-, Methyl Ester (9Ci) is a versatile pyridine derivative and a key reactive intermediate in advanced organic synthesis. This compound matters for its role as a crucial building block in the production of complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily needed by research chemists and process development scientists for constructing heterocyclic scaffolds, active pharmaceutical ingredients (APIs), and specialized fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, particularly those containing functionalized pyridine cores.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides that require specific heterocyclic structures.
• Ligand and Catalyst Development: Serves as a starting material for creating novel chelating ligands and organocatalysts used in asymmetric synthesis.
• Material Science Research: Employed in the synthesis of functional organic materials, such as metal-organic frameworks (MOFs) or conductive polymers.
• Chemical Biology Probes: Useful for synthesizing labeled compounds or molecular probes for biochemical and diagnostic research.
• Custom Synthesis and Contract Manufacturing: A valuable intermediate for custom synthesis houses serving the life sciences industry.

Basic Information

Item	Detail
Product Name	2-Pyridinecarboxylic Acid, 3-(Chlorocarbonyl)-, Methyl Ester (9Ci)
CAS No.	81335-71-9
Molecular Formula	C8H6ClNO3
Molecular Weight	199.59 g/mol
Synonyms	3-(Chlorocarbonyl)picolinic acid methyl ester; Methyl 3-(chlorocarbonyl)picolinate; Methyl 3-(chloroformyl)pyridine-2-carboxylate; 2-Pyridinecarboxylic acid, 3-(chlorocarbonyl)-, methyl ester; Picolinic acid, 3-(chlorocarbonyl)-, methyl ester
EINECS	Contact for details

Quality Control

Our 2-Pyridinecarboxylic Acid, 3-(Chlorocarbonyl)-, Methyl Ester (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and support your quality assurance processes.

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 nature, the container must be kept tightly sealed to exclude moisture. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
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.