Description

2(1H)-Quinolinone, 3-Amino-4-Hydroxy-1-Methyl- is a functionalized quinolinone derivative, a key heterocyclic building block prized for its unique chemical reactivity and structural motif. This compound matters as a versatile intermediate for synthesizing complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and advanced organic materials. It is primarily needed by research chemists and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel compounds with targeted biological or functional properties.

Application

• Pharmaceutical Intermediate: A crucial synthon for the research and development of potential drug candidates, particularly in medicinal chemistry programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents, leveraging its heterocyclic structure to build molecules with specific biological activity.
• Organic Light-Emitting Diodes (OLEDs): Serves as a precursor for electron-transport or emissive layer materials in electronic display technologies.
• Coordination Chemistry & Ligand Synthesis: Acts as a chelating ligand or precursor for metal-organic frameworks (MOFs) and catalysts due to its amino and hydroxy functional groups.
• Dye & Pigment Manufacturing: Employed in the synthesis of specialized heterocyclic dyes and organic pigments for high-performance applications.
• Academic & Industrial Research: A valuable reagent for methodological studies in organic synthesis and the exploration of new chemical spaces.

Basic Information

Product Name	2(1H)-Quinolinone, 3-Amino-4-Hydroxy-1-Methyl-
CAS No.	70744-03-5
Molecular Formula	C10H10N2O2
Molecular Weight	190.20 g/mol
Synonyms	3-Amino-4-hydroxy-1-methylquinolin-2(1H)-one; 1-Methyl-3-amino-4-hydroxy-2-quinolone; 3-Amino-4-hydroxy-1-methyl-2(1H)-quinolinone; 4-Hydroxy-1-methyl-3-amino-2-quinolone; 3-Amino-1-methyl-4-hydroxy-2-quinolone; 1-Methyl-3-amino-4-hydroxycarbostyril; AQH (abbreviation); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 2(1H)-Quinolinone, 3-Amino-4-Hydroxy-1-Methyl- is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistent identity. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Yellow to brown powder or crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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