Description

4-Methylquinoline-2-Carboxylic Acid is a versatile quinoline derivative that serves as a critical building block in advanced organic synthesis. Its value lies in its bifunctional structure, combining a carboxylic acid group with a methyl-substituted quinoline core, enabling precise molecular construction. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical sectors, where it is utilized to develop novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, particularly those targeting neurological and anti-infective applications.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in metal-catalyzed cross-coupling reactions.
• Fluorescent Dye and Sensor Chemistry: The quinoline scaffold is integral to synthesizing compounds for optical materials and chemical sensing.
• Material Science Research: Investigated for use in organic electronic materials and as a monomer for specialty polymers.
• Academic and R&D Laboratories: Employed as a standard reagent for methodological studies in heterocyclic and medicinal chemistry.

Basic Information

Product Name	4-Methylquinoline-2-Carboxylic Acid
CAS No.	40609-76-5
Molecular Formula	C11H9NO2
Molecular Weight	187.20 g/mol
Synonyms	2-Quinolinecarboxylic acid, 4-methyl-; 4-Methyl-2-quinolinecarboxylic acid; 4-Methylquinoline-2-carboxylic acid; 4-Methyl-2-quinoline carboxylic acid; 4-Methyl-2-carboxyquinoline; 2-Carboxy-4-methylquinoline; 4-Methylquinoline-2-carboxylate; 4-Methyl-2-quinolinylcarboxylic acid
EINECS	Contact for details

Quality Control

Our production of 4-Methylquinoline-2-Carboxylic Acid adheres to a stringent quality management system. Every batch is analyzed to ensure it meets precise chemical and physical specifications, with purity typically exceeding 98%. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment to guarantee traceability and batch-to-batch consistency for your critical processes.

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 opening to prevent moisture absorption, which may affect stability and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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