Description

3-Quinolinecarboxylic Acid, 1,4-Dihydro-4-Oxo-8-Sulfo- is a high-purity, functionalized quinoline derivative characterized by its sulfonic acid and carboxylic acid groups. This compound is a critical advanced pharmaceutical intermediate (API) and a versatile building block for synthesizing complex molecules. It is primarily utilized by research institutions and manufacturers in the pharmaceutical and fine chemical industries.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Organic Synthesis Building Block: Used to construct complex heterocyclic compounds for research and development in medicinal chemistry.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in catalytic processes.
• Dye and Pigment Synthesis: Intermediate for producing specialized quinoline-based colorants with specific properties.
• Material Science Research: Used in the development of functional organic materials and polymers.
• Analytical Reference Standard: Employed as a high-purity standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	3-Quinolinecarboxylic Acid, 1,4-Dihydro-4-Oxo-8-Sulfo-
CAS No.	876303-40-1
Molecular Formula	C₁₀H₇NO₆S
Molecular Weight	269.23 g/mol
Synonyms	8-Sulfo-1,4-dihydro-4-oxoquinoline-3-carboxylic acid; 1,4-Dihydro-4-oxo-8-sulfoquinoline-3-carboxylic acid; 4-Oxo-1,4-dihydroquinoline-3-carboxylic acid-8-sulfonic acid; 3-Carboxy-1,4-dihydro-4-oxo-8-quinolinesulfonic acid; 8-Sulfo-4-oxoquinoline-3-carboxylic acid; Quinoline-3-carboxylic acid, 1,4-dihydro-4-oxo-8-sulfo-; 876303-40-1
EINECS	Contact for details

Quality Control

Our 3-Quinolinecarboxylic Acid, 1,4-Dihydro-4-Oxo-8-Sulfo- is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical R&D and synthesis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

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). This product is hygroscopic (moisture-sensitive); ensure the container is sealed immediately after use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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