Description

4-Quinolinecarboxylicacid,3-Hydroxy-,Methylester(9Ci) is a high-purity, functionalized quinoline derivative serving as a critical advanced pharmaceutical intermediate and organic synthesis building block. Its unique molecular structure, featuring both carboxylic acid ester and hydroxyl functionalities on the quinoline core, makes it invaluable for constructing complex molecules in medicinal chemistry. This compound is primarily sought by pharmaceutical R&D and fine chemical synthesis sectors for developing novel active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of potential drug candidates, particularly in anti-malarial, anti-cancer, and antimicrobial research.
• Organic Synthesis Reagent: Used in the preparation of complex heterocyclic compounds, ligands for catalysis, and functionalized materials.
• Agrochemical Research: Intermediate in the development of new crop protection agents and herbicides.
• Material Science: Precursor for the synthesis of organic semiconductors, fluorescent dyes, and metal-organic frameworks (MOFs).
• Academic & Industrial R&D: Serves as a standard or starting material for chemical research in universities and corporate laboratories.

Basic Information

Item	Details
Product Name	4-Quinolinecarboxylicacid,3-Hydroxy-,Methylester(9Ci)
CAS No.	73776-18-8
Molecular Formula	C11H9NO3
Molecular Weight	203.19 g/mol
Synonyms	3-Hydroxy-4-quinolinecarboxylic acid methyl ester; Methyl 3-hydroxy-4-quinolinecarboxylate; 3-Hydroxyquinoline-4-carboxylic acid methyl ester; 4-Quinolinecarboxylic acid, 3-hydroxy-, methyl ester; 73776-18-8; Methyl 3-hydroxyquinoline-4-carboxylate
EINECS	Contact for details

Quality Control

Our production of 4-Quinolinecarboxylicacid,3-Hydroxy-,Methylester(9Ci) adheres to stringent quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting all critical quality attributes. Our commitment to cGMP principles and ISO-aligned processes guarantees a reliable supply of this high-value intermediate for your most demanding applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). The compound may be light-sensitive; prolonged exposure to light should be avoided. Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
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.