Description

4(1H)-Quinolinone,8-Methoxy-(9Ci) is a high-purity organic chemical building block belonging to the quinolinone class of heterocyclic compounds. This compound is valued for its role as a key synthetic intermediate in advanced pharmaceutical and agrochemical research and development. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting central nervous system (CNS) disorders, anti-infectives, and oncology.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging the bioactive quinolinone core structure.
• Material Science: Acts as a building block for organic electronic materials, such as organic light-emitting diodes (OLEDs) and charge-transport materials.
• Chemical Biology & Biochemistry: Employed as a scaffold or probe in medicinal chemistry for structure-activity relationship (SAR) studies and biological target identification.
• Dye & Pigment Synthesis: Utilized in the production of specialized dyes and pigments due to its conjugated aromatic system.
• Academic & Contract Research: Supplied to universities and contract research organizations (CROs) for fundamental chemical research and custom synthesis projects.

Basic Information

Product Name	4(1H)-Quinolinone,8-Methoxy-(9Ci)
CAS No.	727683-57-0
Molecular Formula	C10H9NO2
Molecular Weight	175.18 g/mol
Synonyms	8-Methoxy-4(1H)-quinolinone; 8-Methoxy-1H-quinolin-4-one; 8-Methoxyquinolin-4(1H)-one; 4-Hydroxy-8-methoxyquinoline; 8-Methoxy-4-quinolinol; 4-Quinolinol, 8-methoxy-; 8-Methoxy-4-hydroxyquinoline
EINECS	Contact for details

Quality Control

Our 4(1H)-Quinolinone,8-Methoxy-(9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to ensure traceability and compliance with your research or production requirements.

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. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
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.