Description

3-Pyridinecarbonylchloride,5-Chloro-1,2-Dihydro-2-Oxo-(9Ci) is a specialized heterocyclic building block and key synthetic intermediate. This compound matters for its role in constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients (APIs) and advanced agrochemicals. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing pyridine-based scaffolds.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly those targeting neurological disorders and infectious diseases.
• Agrochemical Synthesis: Used in the research and development of next-generation herbicides and insecticides with pyridine cores.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands used in catalytic processes and metal-organic frameworks (MOFs).
• Material Science Research: Employed in the synthesis of organic electronic materials and functional polymers.
• Chemical Biology Probes: Utilized to develop molecular probes for studying enzyme function and biological pathways.
• Custom Synthesis and Contract Manufacturing: A key starting material for custom synthesis projects requiring functionalized pyridine derivatives.

Basic Information

Product Name	3-Pyridinecarbonylchloride,5-Chloro-1,2-Dihydro-2-Oxo-(9Ci)
CAS No.	175277-81-3
Molecular Formula	C7H3Cl2NO2
Molecular Weight	204.01 g/mol
Synonyms	5-Chloro-2-oxo-1,2-dihydropyridine-3-carbonyl chloride; 5-Chloro-2-oxo-1,2-dihydro-3-pyridinecarbonyl chloride; 3-Carbonylchloride-5-chloro-1,2-dihydro-2-oxopyridine; 5-Chloro-2-hydroxy-3-pyridinecarbonyl chloride (tautomeric form); 5-Chloro-2-oxo-1H-pyridine-3-carbonyl chloride; 5-Chloro-2-oxo-1,2-dihydronicotinoyl chloride
EINECS	Contact for details

Quality Control

Our 3-Pyridinecarbonylchloride,5-Chloro-1,2-Dihydro-2-Oxo-(9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for advanced synthetic applications. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are provided to guarantee traceability and batch-to-batch reliability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%

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