Description

6,7-Dimethoxy-4-Oxo-1,4-Dihydro-Quinoline-3-Carboxylic Acid Ethyl Ester is a high-purity, advanced pharmaceutical intermediate with a distinct quinoline core structure. This compound is valued for its role as a critical building block in the synthesis of complex active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring sophisticated heterocyclic chemistry. It is primarily sought after by research institutions, fine chemical manufacturers, and pharmaceutical companies engaged in the development and production of novel drug candidates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, particularly those with quinoline-based pharmacophores.
• Organic Synthesis Building Block: Used in research and development for constructing more elaborate heterocyclic compounds through various chemical transformations.
• Agrochemical Research: Serves as a starting material in the development of new crop protection agents and pesticides.
• Material Science Research: Investigated for potential applications in the creation of organic electronic materials or specialty polymers.
• Chemical Reference Standard: Utilized as a high-purity standard in analytical laboratories for method development and quality control.

Basic Information

Product Name	6,7-Dimethoxy-4-Oxo-1,4-Dihydro-Quinoline-3-Carboxylic Acid Ethyl Ester
CAS No.	120372-85-2
Molecular Formula	C₁₄H₁₅NO₅
Molecular Weight	277.27 g/mol
Synonyms	Ethyl 6,7-Dimethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylate; 6,7-Dimethoxy-4-hydroxyquinoline-3-carboxylic Acid Ethyl Ester; 4-Hydroxy-6,7-dimethoxyquinoline-3-carboxylic Acid Ethyl Ester; 3-Carbethoxy-6,7-dimethoxy-4-hydroxyquinoline; 6,7-Dimethoxy-4-hydroxy-3-quinolinecarboxylic Acid Ethyl Ester; 1,4-Dihydro-6,7-dimethoxy-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester; Ethyl 1,4-Dihydro-6,7-dimethoxy-4-oxoquinoline-3-carboxylate
EINECS	Contact for details

Quality Control

Our 6,7-Dimethoxy-4-Oxo-1,4-Dihydro-Quinoline-3-Carboxylic Acid Ethyl Ester is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical documentation, including Certificates of Analysis (COA) detailing purity, identity, and impurity profiles via validated methods such as HPLC, NMR, and IR spectroscopy. Our quality commitment aligns with the standards expected for pharmaceutical-grade intermediates.

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). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥98.0%
Loss on Drying	≤0.5%
Residue on Ignition	≤0.1%
Heavy Metals	≤20 ppm
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.