Description

4-Hydroxy-5,8-Dimethylquinoline-3-Carboxylic Acid Ethyl Ester is a high-purity, functionalized quinoline derivative that serves as a critical synthetic intermediate and building block in advanced organic chemistry. Its unique molecular structure, featuring both a carboxylic ester and a hydroxyl group on the quinoline core, makes it a versatile precursor for the development of complex molecules. This compound is primarily sought by research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries for applications in medicinal chemistry, catalyst design, and material science.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting neurological or anti-infective pathways.
• Agrochemical Research: Used in the development of new active ingredients for herbicides, fungicides, and pesticides, leveraging its heterocyclic structure.
• Coordination Chemistry & Catalysis: Acts as a ligand precursor for metal-organic frameworks (MOFs) and transition metal catalysts due to its chelating potential.
• Organic Synthesis: Serves as a versatile scaffold for constructing more complex polycyclic and heterocyclic compounds in academic and industrial research.
• Material Science: Investigated as a monomer or functional additive for creating specialty polymers and advanced organic electronic materials.
• Dye & Pigment Chemistry: Utilized in the research and synthesis of novel quinoline-based colorants and fluorescent markers.

Basic Information

Item	Details
Product Name	4-Hydroxy-5,8-Dimethylquinoline-3-Carboxylic Acid Ethyl Ester
CAS No.	71083-10-8
Molecular Formula	C₁₄H₁₅NO₃
Molecular Weight	245.27 g/mol
Synonyms	Ethyl 4-Hydroxy-5,8-dimethylquinoline-3-carboxylate; 5,8-Dimethyl-4-hydroxyquinoline-3-carboxylic Acid Ethyl Ester; 4-Hydroxy-5,8-dimethyl-3-quinolinecarboxylic Acid Ethyl Ester; 3-Quinolinecarboxylic acid, 4-hydroxy-5,8-dimethyl-, ethyl ester; Ethyl 5,8-dimethyl-4-oxo-1,4-dihydroquinoline-3-carboxylate (tautomer)
EINECS	Contact for details

Quality Control

Our production of 4-Hydroxy-5,8-Dimethylquinoline-3-Carboxylic Acid Ethyl Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment and is available upon request.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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