Description

8-Ethyl-4-Hydroxyquinoline-3-Carboxylic Acid is a versatile quinoline derivative that serves as a critical synthetic intermediate and building block in advanced organic chemistry. Its unique molecular structure, featuring both carboxylic acid and hydroxyl groups on the quinoline core, makes it a valuable precursor for the development of pharmaceuticals, agrochemicals, and functional materials. This high-purity compound is essential for research and manufacturing chemists in the pharmaceutical, fine chemical, and material science industries seeking to create novel compounds with specific biological or physical properties.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of antimicrobial, anti-inflammatory, and anticancer agents.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides due to its bioactive quinoline scaffold.
• Coordination Chemistry & Chelating Agent: Serves as a ligand for metal ions, useful in catalysis, material science, and analytical chemistry applications.
• Fluorescent Dye & Sensor Precursor: A starting material for the synthesis of quinoline-based fluorescent probes and dyes used in bio-imaging and diagnostic assays.
• Organic Electronic Material Research: Investigated as a component in the development of organic semiconductors and light-emitting materials.
• Chemical Research & Development: A versatile reagent for academic and industrial R&D focused on heterocyclic chemistry and medicinal chemistry.

Basic Information

Product Name	8-Ethyl-4-Hydroxyquinoline-3-Carboxylic Acid
CAS No.	63136-16-3
Molecular Formula	C₁₂H₁₁NO₃
Molecular Weight	217.22 g/mol
Synonyms	4-Hydroxy-8-ethylquinoline-3-carboxylic acid; 8-Ethyl-4-hydroxy-3-quinolinecarboxylic acid; 3-Quinolinecarboxylic acid, 8-ethyl-4-hydroxy-; 8-Ethyl-4-hydroxyquinoline-3-carboxylate; 4-Hydroxy-8-ethyl-3-quinolinecarboxylic acid; 8-Ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our 8-Ethyl-4-Hydroxyquinoline-3-Carboxylic Acid is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for research and industrial synthesis. We provide a detailed Certificate of Analysis (COA) with each shipment, which includes data for identity, purity, and impurity profiles. Our quality commitment ensures reliable performance and batch-to-batch consistency for your critical processes.

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). This compound is hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which may affect product stability and performance.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.