Description

2-Quinolinecarboxylic Acid, 4,8-Dihydroxy-6-Methyl- (9Ci) is a high-purity, multi-functional quinoline derivative of significant interest in advanced organic synthesis. This compound serves as a versatile and critical building block for the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is essential for researchers and manufacturers in fine chemical, pharmaceutical intermediate, and specialty chemical production who require a reliable, high-quality source for their R&D and scale-up processes.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds with quinoline-based pharmacophores.
• Agrochemical Research: Used in the development of new-generation herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Synthesis: Serves as a core structure for creating specialized quinoline-based dyes and functional colorants.
• Ligand and Catalyst Development: Utilized in the preparation of chelating ligands for metal catalysis and coordination chemistry applications.
• Material Science: Investigated as a monomer or additive for advanced polymers and functional materials.
• Analytical Chemistry: May be employed as a standard or reagent in chromatographic and spectroscopic methods.

Basic Information

Product Name	2-Quinolinecarboxylic Acid, 4,8-Dihydroxy-6-Methyl- (9Ci)
CAS No.	495408-65-6
Molecular Formula	C11H9NO4
Molecular Weight	219.19 g/mol
Synonyms	4,8-Dihydroxy-6-methylquinoline-2-carboxylic acid; 6-Methyl-4,8-dihydroxy-2-quinolinecarboxylic acid; 4,8-Dihydroxy-6-methyl-2-quinolinecarboxylic acid; 2-Carboxy-4,8-dihydroxy-6-methylquinoline; 6-Methyl-4,8-dihydroxyquinoline-2-carboxylic acid; 4,8-Dihydroxy-6-methylquinoline-2-carboxylate (anion form)
EINECS	Contact for details

Quality Control

Our 2-Quinolinecarboxylic Acid, 4,8-Dihydroxy-6-Methyl- (9Ci) is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and 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 a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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