Description

5-Hydroxyquinoline-3-Carboxylic Acid is a versatile quinoline derivative that serves as a critical building block in advanced organic synthesis. This compound is valued for its bifunctional nature, combining a carboxylic acid group and a hydroxylated quinoline core, which enables its use in creating complex molecular architectures. It is primarily sought after by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs), agrochemicals, and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, particularly those targeting neurological and anti-infective pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators due to its bioactive quinoline scaffold.
• Ligand Synthesis: Serves as a starting material for creating chelating ligands used in catalysis and metal ion sequestration.
• Fluorescent Probe Development: Utilized in research to construct molecular probes for bioimaging and diagnostic applications.
• Material Science: Acts as a monomer or additive in the synthesis of advanced polymers and organic electronic materials.
• Academic & Industrial R&D: Employed in exploratory chemistry for novel heterocyclic compound libraries and methodological studies.

Basic Information

Product Name	5-Hydroxyquinoline-3-Carboxylic Acid
CAS No.	911108-90-2
Molecular Formula	C10H7NO3
Molecular Weight	189.17 g/mol
Synonyms	3-Quinolinecarboxylic acid, 5-hydroxy-; 5-Hydroxy-3-quinolinecarboxylic acid; 5-Hydroxyquinoline-3-carboxylic acid; 911108-90-2; Quinoline-3-carboxylic acid, 5-hydroxy-; 5-Hydroxy-quinoline-3-carboxylic acid; 5-Hydroxy-3-quinolincarboxylic acid
EINECS	Contact for details

Quality Control

Our 5-Hydroxyquinoline-3-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all specified parameters. Our quality commitment supports applications in regulated research and development environments.

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). This product is hygroscopic (moisture-sensitive); keep the container 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.