Description

3-Quinolinecarboxylic Acid, 1,4-Dihydro-8-(Methylsulfonyl)-4-Oxo- is a high-purity, functionalized quinoline derivative of significant interest in advanced organic synthesis. This compound matters as a sophisticated pharmaceutical intermediate and a versatile chemical building block for research and development. It is primarily needed by pharmaceutical companies, contract research organizations (CROs), and fine chemical manufacturers engaged in the development of novel active pharmaceutical ingredients (APIs) and other high-value specialty chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, particularly those targeting specific enzyme pathways.
• Organic Synthesis Building Block: Used in research-scale and pilot-scale reactions to construct more complex heterocyclic compounds due to its reactive carboxylic acid and ketone functionalities.
• Agrochemical Research: Serves as a starting material for developing new crop protection agents and herbicides.
• Material Science Research: Investigated for potential use in creating advanced organic electronic materials or metal-organic frameworks (MOFs).
• Biochemical Probe Development: Utilized in medicinal chemistry to create molecular probes for studying biological processes.

Basic Information

Product Name	3-Quinolinecarboxylic Acid, 1,4-Dihydro-8-(Methylsulfonyl)-4-Oxo-
CAS No.	132664-52-9
Molecular Formula	C11H9NO5S
Molecular Weight	267.26 g/mol
Synonyms	8-(Methylsulfonyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid; 1,4-Dihydro-8-(methylsulfonyl)-4-oxoquinoline-3-carboxylic acid; 8-Methanesulfonyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid; 3-Carboxy-8-methylsulfonyl-4(1H)-quinolone; 132664-52-9; Quinoline-3-carboxylic acid, 1,4-dihydro-8-(methylsulfonyl)-4-oxo-
EINECS	Contact for details

Quality Control

Our 3-Quinolinecarboxylic Acid, 1,4-Dihydro-8-(Methylsulfonyl)-4-Oxo- is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for pharmaceutical intermediate applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each 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). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture, which may affect stability and performance.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.