Description

7-Chloro-4-Methylquinolin-2(1H)-One is a high-purity quinoline derivative serving as a critical synthetic intermediate in advanced organic chemistry. This compound matters for its role in constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients and specialty agrochemicals. It is needed by research institutions, pharmaceutical development labs, and fine chemical manufacturers engaged in the synthesis of novel heterocyclic compounds.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of potential drug candidates, particularly those with quinoline-based structures for antimicrobial or anticancer activity.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and plant growth regulators that leverage the biological activity of the chlorinated quinoline core.
• Material Science Precursor: Serves as a starting material for creating organic ligands used in catalysis or for synthesizing advanced organic electronic materials.
• Dye & Pigment Synthesis: Intermediate in the production of specialized quinoline-based dyes and pigments for high-performance applications.
• Academic & R&D: Essential reagent for methodological studies in organic synthesis, heterocyclic chemistry, and medicinal chemistry research programs.
• Custom Synthesis: Foundation for contract research organizations (CROs) and CDMOs performing bespoke synthesis for client-specific molecular targets.

Basic Information

Product Name	7-Chloro-4-Methylquinolin-2(1H)-One
CAS No.	2540-09-2
Molecular Formula	C10H8ClNO
Molecular Weight	193.63 g/mol
Synonyms	7-Chloro-4-methyl-1H-quinolin-2-one; 7-Chloro-4-methyl-2(1H)-quinolinone; 2-Hydroxy-7-chloro-4-methylquinoline; 7-Chloro-4-methylcarbostyril; 2540-09-2; 7-Chloro-4-methylquinolin-2-ol; 4-Methyl-7-chloroquinolin-2(1H)-one
EINECS	219-808-2

Quality Control

Our 7-Chloro-4-Methylquinolin-2(1H)-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing including HPLC for purity, NMR and IR for structural confirmation, and stringent control of residual solvents and heavy metals. Certificates of Analysis (COA) documenting full specifications are provided with every shipment to ensure traceability and compliance with your internal quality standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from incompatible materials. The product is light-sensitive (store away from light).

Specification

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

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