Description

4-Methoxy-Quinoline-3-Carboxylic Acid is a high-purity 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 active pharmaceutical ingredients (APIs) and specialty fine chemicals. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and material science industries seeking to develop novel compounds with specific functionalities.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Material Science: Serves as a building block for creating advanced organic materials, including ligands for catalysis and organic semiconductors.
• Chemical Synthesis: Employed in academic and industrial R&D for constructing complex heterocyclic compounds and quinoline-based libraries.
• Dye & Pigment Industry: Acts as an intermediate in the production of specialized quinoline-based dyes and colorants.

Basic Information

Item	Details
Product Name	4-Methoxy-Quinoline-3-Carboxylic Acid
CAS No.	74557-74-7
Molecular Formula	C₁₁H₉NO₃
Molecular Weight	203.19 g/mol
Synonyms	3-Quinolinecarboxylic acid, 4-methoxy-; 4-Methoxyquinoline-3-carboxylic acid; 4-Methoxy-3-quinolinecarboxylic acid; 74557-74-7; 4-Methoxy-3-carboxyquinoline; 3-Carboxy-4-methoxyquinoline
EINECS	Contact for details

Quality Control

Our 4-Methoxy-Quinoline-3-Carboxylic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

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

Specification

Item	Specification
Appearance	White to off-white 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.