Description

2-Hydroxy-3-Methyl-4-Quinolinecarboxylic Acid is a versatile quinoline derivative that serves as a critical building block in advanced organic synthesis. Its unique molecular structure makes it a valuable intermediate for developing active pharmaceutical ingredients (APIs) and specialty fine chemicals. This compound is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and material science industries for creating novel compounds with specific biological or functional properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, particularly those with quinoline-based pharmacophores.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators.
• Coordination Chemistry & Chelating Agent: Acts as a ligand for metal ions in catalytic systems or for the preparation of metal-organic frameworks (MOFs).
• Dye & Pigment Manufacturing: Serves as an intermediate for producing quinoline-based dyes and colorants.
• Research & Development: Employed in academic and industrial R&D labs for method development and exploring new chemical entities.
• Fine Chemical Production: A building block for various specialty chemicals used in electronics and advanced materials.

Basic Information

Product Name	2-Hydroxy-3-Methyl-4-Quinolinecarboxylic Acid
CAS No.	6625-08-7
Molecular Formula	C11H9NO3
Molecular Weight	203.19 g/mol
Synonyms	3-Methyl-2,4-quinolinediol; 2-Hydroxy-3-methylquinoline-4-carboxylic acid; 4-Quinolinecarboxylic acid, 2-hydroxy-3-methyl-; 3-Methyl-2-hydroxy-4-quinolinecarboxylic acid; 2-Hydroxy-3-methyl-4-carboxyquinoline; 3-Methylcarbostyril-4-carboxylic acid; Kynurenic acid, 3-methyl-
EINECS	229-580-5

Quality Control

Our 2-Hydroxy-3-Methyl-4-Quinolinecarboxylic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) documenting all test results are available upon request to support your quality assurance and regulatory needs.

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 strong acids and organic solvents. For long-term storage, consider inert gas purging to maintain product integrity.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
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.