Description

4-Hydroxy-2-Methyl-Quinoline-3-Carboxylic Acid Ethyl Ester is a high-purity, versatile quinoline derivative essential for advanced organic synthesis and pharmaceutical research. This compound serves as a critical synthetic intermediate, valued for its structural framework that enables the development of complex molecules with targeted biological activity. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of quinoline-based drug candidates, including potential antimicrobials, anti-inflammatory agents, and kinase inhibitors.
• Agrochemical Research: Used in developing novel pesticides and herbicides, leveraging the quinoline core for bioactivity.
• Fine Chemical Synthesis: Serves as a precursor for dyes, pigments, and advanced organic materials requiring specific heterocyclic structures.
• Academic & Industrial R&D: Fundamental reagent in methodological studies and process chemistry for constructing complex nitrogen-containing heterocycles.
• Coordination Chemistry: Potential ligand or precursor for metal-organic frameworks (MOFs) and catalytic complexes due to its carboxylic ester and hydroxyl functionalities.

Basic Information

Product Name	4-Hydroxy-2-Methyl-Quinoline-3-Carboxylic Acid Ethyl Ester
CAS No.	73987-39-0
Molecular Formula	C₁₃H₁₃NO₃
Molecular Weight	231.25 g/mol
Synonyms	Ethyl 4-Hydroxy-2-methylquinoline-3-carboxylate; 2-Methyl-4-hydroxyquinoline-3-carboxylic Acid Ethyl Ester; 4-Hydroxy-2-methyl-3-quinolinecarboxylic Acid Ethyl Ester; 3-Carbethoxy-4-hydroxy-2-methylquinoline; 73987-39-0; 4-Hydroxy-2-methylquinoline-3-carboxylic acid ethyl ester; Ethyl 4-hydroxy-2-methyl-3-quinolinecarboxylate
EINECS	Contact for details

Quality Control

Our production of 4-Hydroxy-2-Methyl-Quinoline-3-Carboxylic Acid Ethyl Ester adheres to stringent in-process controls and final batch testing to ensure consistent purity and identity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, related substances, and physical characteristics. Our quality system is designed to meet the rigorous standards required for pharmaceutical and high-end fine chemical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.