Description

5,8-Dimethoxy-4-Oxo-1,4-Dihydro-Quinoline-3-Carboxylic Acid is a high-purity, functionalized quinoline derivative that serves as a critical building block in advanced organic synthesis. This compound is valued for its unique molecular scaffold, which is essential for constructing complex molecules with specific biological or material properties. It is primarily sought after by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel quinoline-based drug candidates, particularly for research into antimicrobial, anticancer, and anti-inflammatory agents.
• Organic Synthesis Building Block: Utilized in complex multi-step syntheses to introduce the functionalized quinoline core into target molecules for material science and chemical biology.
• Agrochemical Research: Serves as a starting material for developing new crop protection agents and herbicides due to its bioactive heterocyclic structure.
• Material Science Precursor: Used in the research and development of organic electronic materials, such as ligands for metal-organic frameworks (MOFs) or components for light-emitting materials.
• Academic & R&D Laboratories: Employed in universities and contract research organizations (CROs) for methodological studies and the discovery of new chemical entities.

Basic Information

Product Name	5,8-Dimethoxy-4-Oxo-1,4-Dihydro-Quinoline-3-Carboxylic Acid
CAS No.	842956-45-0
Molecular Formula	C₁₃H₁₁NO₅
Molecular Weight	261.23 g/mol
Synonyms	5,8-Dimethoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid; 1,4-Dihydro-5,8-dimethoxy-4-oxoquinoline-3-carboxylic acid; 3-Quinolinecarboxylic acid, 1,4-dihydro-5,8-dimethoxy-4-oxo-; 4-Oxo-1,4-dihydroquinoline-3-carboxylic acid, 5,8-dimethoxy derivative
EINECS	Contact for details

Quality Control

Our 5,8-Dimethoxy-4-Oxo-1,4-Dihydro-Quinoline-3-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (IR, NMR), to ensure it meets the high standards required for research and development applications. A detailed Certificate of Analysis (COA) with batch-specific data is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after each use to prevent moisture absorption, which may affect product stability and performance.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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