Description

4-Hydroxy-5,8-Dimethyl-Quinoline-3-Carboxylic Acid Ethyl Ester is a high-purity, synthetically valuable quinoline derivative. This compound serves as a critical advanced pharmaceutical intermediate and a versatile building block for complex organic synthesis. It is primarily sought by R&D and production teams in the pharmaceutical, agrochemical, and fine chemical industries for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly in antimicrobial and anti-inflammatory research.
• Agrochemical Synthesis: Used in the development of advanced crop protection agents and herbicides.
• Fine Chemical Building Block: Employed in the construction of complex molecules for material science and specialty chemistry applications.
• Research & Development: Serves as a standard or starting material in academic and industrial organic chemistry research.
• Ligand and Chelator Synthesis: Potential use in creating metal-chelating agents for catalytic or analytical purposes.
• Dye and Pigment Intermediate: Can be utilized in the synthesis of quinoline-based colorants and functional dyes.

Basic Information

Product Name	4-Hydroxy-5,8-Dimethyl-Quinoline-3-Carboxylic Acid Ethyl Ester
CAS No.	303009-95-2
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 4-hydroxy-5,8-dimethyl-3-quinolinecarboxylate
EINECS	Contact for details

Quality Control

Our production of 4-Hydroxy-5,8-Dimethyl-Quinoline-3-Carboxylic Acid Ethyl Ester adheres to stringent in-process controls and final batch testing to ensure consistent purity and identity. Quality is verified against established analytical methods, including HPLC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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, sparks, and open flame. Due to its light-sensitive nature, containers should be amber or opaque.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (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.