Description

3-Hydroxy-2-Methyl-4-Quinolinecarboxylic Acid is a versatile quinoline derivative that serves as a crucial synthetic intermediate in advanced organic chemistry. Its unique molecular structure makes it a valuable building block for the development of pharmaceuticals, agrochemicals, and specialty dyes. This compound is primarily sought by research and development teams, fine chemical manufacturers, and industrial chemists working in the pharmaceutical and agrochemical sectors.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with quinoline-based pharmacophores.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a core structure for creating specialized quinoline-based dyes and colorants.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new heterocyclic compounds and their biological activities.
• Coordination Chemistry: Can act as a ligand for metal ions in catalytic systems or material science applications.
• Fine Chemical Production: Employed in the multi-step synthesis of complex, high-value specialty chemicals.

Basic Information

Product Name	3-Hydroxy-2-Methyl-4-Quinolinecarboxylic Acid
CAS No.	117-57-7
Molecular Formula	C11H9NO3
Molecular Weight	203.19 g/mol
Synonyms	2-Methyl-3-hydroxy-4-quinolinecarboxylic acid; 3-Hydroxy-2-methylquinoline-4-carboxylic acid; 2-Methyl-3-hydroxyquinoline-4-carboxylic acid; 4-Quinolinecarboxylic acid, 3-hydroxy-2-methyl-; Kynurenic acid, 2-methyl-; 2-Methylkynurenic acid; 2-Methyl-4-carboxy-3-hydroxyquinoline
EINECS	204-204-9

Quality Control

Our 3-Hydroxy-2-Methyl-4-Quinolinecarboxylic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, related substances, and residual solvents.

Storage

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

Specification

Item	Specification
Appearance	Light yellow to yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.