Description

3-Chloro-4-Methylquinolin-2(1H)-One is a versatile and high-purity quinoline derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its functionalized structure, which provides a reactive scaffold for constructing complex molecules with targeted biological or material properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, infectious diseases, and oncology.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Material Science: Acts as a monomer or functional additive in the creation of advanced polymers, organic semiconductors, and light-emitting materials.
• Chemical Synthesis: Serves as a versatile scaffold for further functionalization, enabling the creation of libraries of compounds for high-throughput screening (HTS).
• Dye & Pigment Industry: Utilized as an intermediate in the synthesis of specialized quinoline-based dyes and colorants.

Basic Information

Product Name	3-Chloro-4-Methylquinolin-2(1H)-One
CAS No.	502142-56-5
Molecular Formula	C₁₀H₈ClNO
Molecular Weight	193.63 g/mol
Synonyms	3-Chloro-4-methyl-1H-quinolin-2-one; 3-Chloro-4-methylquinolin-2(1H)-one; 2(1H)-Quinolinone, 3-chloro-4-methyl-; 3-Chloro-4-methyl-2-quinolone; 4-Methyl-3-chloro-2-quinolone
EINECS	Contact for details

Quality Control

Our 3-Chloro-4-Methylquinolin-2(1H)-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistent identity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We adhere to cGMP principles where applicable to support our clients in regulated industries.

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). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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