Description

5-Methoxyquinolin-2(1H)-One is a versatile heterocyclic organic compound that serves as a key synthetic intermediate in advanced chemical manufacturing. Its unique quinolinone core structure makes it a valuable building block for the development of complex molecules with specific biological and material properties. This high-purity intermediate is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical sectors, where precise molecular architecture is critical.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds targeting neurological and oncological pathways.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators, leveraging its heterocyclic scaffold.
• Material Science Research: Serves as a building block for organic light-emitting diodes (OLEDs) and other advanced electronic materials due to its conjugated system.
• Dye and Pigment Manufacturing: Acts as an intermediate for creating specialized quinoline-based dyes and colorants.
• Academic & Industrial R&D: Employed in medicinal chemistry and organic synthesis research for constructing complex molecular libraries.
• Ligand and Catalyst Development: Utilized in the preparation of nitrogen-containing ligands for metal catalysis and coordination chemistry.

Basic Information

Product Name	5-Methoxyquinolin-2(1H)-One
CAS No.	160893-04-9
Molecular Formula	C₁₀H₉NO₂
Molecular Weight	175.18 g/mol
Synonyms	5-Methoxy-2(1H)-quinolinone; 5-Methoxy-1H-quinolin-2-one; 5-Methoxycarbostyril; 2-Hydroxy-5-methoxyquinoline; 5-Methoxy-2-quinolone; 5-Methoxy-2-hydroxyquinoline; 5-Methoxyquinolin-2-ol; 160893-04-9
EINECS	Contact for details

Quality Control

Our 5-Methoxyquinolin-2(1H)-One is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to verify identity and purity. A Certificate of Analysis (COA) detailing all specifications is 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 heat, sparks, and open flame. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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