Description

3(5H)-Quinolinone(9Ci) is a versatile heterocyclic organic compound belonging to the quinolinone family. This high-purity intermediate is critical for advanced research and development in pharmaceutical and agrochemical synthesis. It serves as a key building block for scientists and process chemists in the fine chemical industry, particularly those developing novel active ingredients. Its defined structure, CAS NO 727650-98-8, ensures consistency and reliability for complex multi-step syntheses.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, anti-infectives, and oncology applications.
• Agrochemical Research: Used as a core scaffold for developing new herbicides, fungicides, and insecticides with improved efficacy and environmental profiles.
• Material Science: Serves as a monomer or functional unit in the creation of advanced organic electronic materials, such as OLEDs and conductive polymers.
• Dye & Pigment Synthesis: Acts as an intermediate for producing specialized quinoline-based dyes and fluorescent markers.
• Academic & R&D: Essential for mechanistic studies, methodology development, and exploring new chemical spaces in academic and industrial research laboratories.
• Ligand & Catalyst Development: Utilized in the design and synthesis of novel chelating ligands and organocatalysts for asymmetric synthesis.

Basic Information

Product Name	3(5H)-Quinolinone(9Ci)
CAS No.	727650-98-8
Molecular Formula	C9H7NO
Molecular Weight	145.16 g/mol
Synonyms	3(5H)-Quinolinone; 5H-Quinolin-3-one; Quinolin-3(5H)-one; 3-Hydroxyquinoline; 3-Quinolinol; 3-Quinolone; 5H-Quinol-3-one; 727650-98-8
EINECS	Contact for details

Quality Control

Our 3(5H)-Quinolinone(9Ci) is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to confirm identity and purity. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all relevant specifications. Our quality commitment ensures the material meets the stringent requirements for research and cGMP-grade synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container sealed to protect from moisture. Store away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
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.