Description

5-Methoxyquinoline-3-Carboxylic Acid is a high-purity, functionalized quinoline derivative serving as a critical building block in advanced organic synthesis. This compound matters for its role as a versatile intermediate in the development of complex molecules, particularly in the pharmaceutical sector where its specific substitution pattern is highly valuable. It is primarily needed by research chemists and process development scientists working in pharmaceutical R&D, agrochemical discovery, and materials science for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting neurological and oncological pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators that require a quinoline-based core structure.
• Ligand Synthesis: Serves as a starting material for creating complex chelating ligands used in catalysis and metal-organic frameworks (MOFs).
• Fluorescent Dye & Sensor Development: The quinoline scaffold is utilized in the design of advanced fluorescent probes and chemosensors for analytical applications.
• Material Science: Employed in the synthesis of organic electronic materials and polymers where electron-deficient heterocycles are required.
• Academic & Contract Research: A valuable reagent for methodological studies in organic chemistry and for custom synthesis projects in CROs (Contract Research Organizations).

Basic Information

Product Name	5-Methoxyquinoline-3-Carboxylic Acid
CAS No.	1361091-98-6
Molecular Formula	C11H9NO3
Molecular Weight	203.19 g/mol
Synonyms	3-Quinolinecarboxylic acid, 5-methoxy-; 5-Methoxy-3-quinolinecarboxylic acid; 5-Methoxyquinoline-3-carboxylic acid; 1361091-98-6; 5-Methoxy-quinoline-3-carboxylic acid; 5-Methoxy-3-quinolincarboxylic acid; 5-Methoxy-quinolin-3-carbonsäure (German)
EINECS	Contact for details

Quality Control

Our 5-Methoxyquinoline-3-Carboxylic Acid is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory documentation 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). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
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.