Description

4,6-Dihydroxyquinoline-3-Carboxylic Acid is a multifunctional heterocyclic building block of significant interest in advanced organic synthesis. Its unique quinoline scaffold, functionalized with both carboxylic acid and phenolic hydroxyl groups, makes it a versatile precursor for creating complex molecular architectures. This compound is particularly valuable for researchers and manufacturers in the pharmaceutical and agrochemical sectors seeking to develop novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of potential drug candidates, including kinase inhibitors, antimicrobial agents, and compounds with anti-inflammatory or anticancer activity.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators, leveraging its bioactive quinoline core.
• Coordination Chemistry & Chelation: Acts as a polydentate ligand for metal ions, useful in catalysis, material science, and the preparation of metal-organic frameworks (MOFs).
• Dye & Pigment Manufacturing: Functions as an intermediate for producing specialized quinoline-based dyes, optical brighteners, and fluorescent markers.
• Organic Electronic Materials: Investigated as a building block for electron-transport materials, organic semiconductors, and components in OLEDs due to its conjugated system.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new synthetic methodologies and creating novel heterocyclic compounds.

Basic Information

Product Name	4,6-Dihydroxyquinoline-3-Carboxylic Acid
CAS No.	83475-08-5
Molecular Formula	C₁₀H₇NO₄
Molecular Weight	205.17 g/mol
Synonyms	3-Carboxy-4,6-dihydroxyquinoline; 4,6-Dihydroxy-3-quinolinecarboxylic Acid; 4,6-Dihydroxyquinoline-3-carboxylic acid; 3-Quinolinecarboxylic acid, 4,6-dihydroxy-; 4,6-Dihydroxychinolin-3-carbonsäure (German); Acide 4,6-dihydroxy-3-quinoléinecarboxylique (French)
EINECS	Contact for details

Quality Control

Our 4,6-Dihydroxyquinoline-3-Carboxylic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and consistency.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
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.