Description

3-Hydroxy-5-Methylquinolin-2(1H)-One is a high-purity, specialized quinoline derivative serving as a critical building block in advanced organic synthesis. Its unique heterocyclic structure makes it a valuable intermediate for developing novel compounds with specific biological or material properties. This product is essential for research and development chemists in the pharmaceutical, agrochemical, and material science industries seeking to create new active ingredients or functional molecules.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting neurological or anti-infective pathways.
• Agrochemical Research: Used to develop new active ingredients for crop protection products, such as fungicides or herbicides.
• Material Science: Serves as a monomer or functional additive in the creation of advanced polymers, dyes, or organic electronic materials.
• Chemical Synthesis: A versatile building block for constructing complex heterocyclic frameworks in medicinal and process chemistry.
• Academic & Contract Research: Essential for fundamental research in organic chemistry and for custom synthesis projects in CROs (Contract Research Organizations).

Basic Information

Product Name	3-Hydroxy-5-Methylquinolin-2(1H)-One
CAS No.	1159706-33-8
Molecular Formula	C10H9NO2
Molecular Weight	175.19 g/mol
Synonyms	5-Methyl-3-hydroxy-1H-quinolin-2-one; 5-Methyl-3-hydroxyquinolin-2(1H)-one; 3-Hydroxy-5-methyl-1H-quinolin-2-one; 2(1H)-Quinolinone, 3-hydroxy-5-methyl-; 3-Hydroxy-5-methyl-2(1H)-quinolinone
EINECS	Contact for details

Quality Control

Every batch of 3-Hydroxy-5-Methylquinolin-2(1H)-One is manufactured under strict quality management systems and undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) with each shipment, confirming compliance with customer specifications. Our commitment to reliable supply and batch-to-batch consistency supports your critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. This material is light-sensitive and should be stored away from light to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
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.