Description

4-Hydroxy-5-Methoxyquinoline- 3-Carboxylic Acid is a high-purity, functionalized quinoline derivative of significant interest in advanced organic synthesis. This compound serves as a critical pharmacophore and versatile building block for the development of novel active pharmaceutical ingredients (APIs) and fine chemicals. It is primarily sought by pharmaceutical R&D, agrochemical, and specialty chemical manufacturers for creating molecules with targeted biological activity.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug candidates, particularly those targeting infectious diseases or cancer.
• Agrochemical Research: Used to develop novel herbicides, fungicides, or plant growth regulators due to its bioactive quinoline core.
• Ligand Synthesis: Serves as a starting material for creating chelating agents or catalysts in metal-organic chemistry.
• Fluorescent Probe Development: Its quinoline structure makes it suitable for modifying to create dyes or sensors for biochemical assays.
• Material Science: Potential building block for organic electronic materials or advanced polymers.

Basic Information

Product Name	4-Hydroxy-5-Methoxyquinoline- 3-Carboxylic Acid
CAS No.	873054-97-8
Molecular Formula	C₁₁H₉NO₄
Molecular Weight	219.19 g/mol
Synonyms	5-Methoxy-4-hydroxyquinoline-3-carboxylic acid; 3-Quinolinecarboxylic acid, 4-hydroxy-5-methoxy-; 4-Hydroxy-5-methoxy-3-quinolinecarboxylic acid; 873054-97-8; LMFA03040003; AKOS040759977; ZINC000095515756; SCHEMBL21849697
EINECS	Contact for details

Quality Control

Our production of 4-Hydroxy-5-Methoxyquinoline- 3-Carboxylic Acid adheres to stringent quality management protocols. Every batch is characterized and tested using advanced analytical techniques including HPLC, NMR, and mass spectrometry to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment, ensuring full traceability and compliance with your research or production requirements.

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). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.