Description

3-Ethylquinoline-4-Carboxylic Acid is a versatile quinoline derivative that serves as a critical synthetic intermediate in advanced organic chemistry. Its unique structure makes it a valuable building block for the development of complex molecules with specialized properties. This compound is primarily sought after by research institutions and industrial R&D departments engaged in pharmaceutical development, agrochemical synthesis, and materials science.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) and potential drug candidates, particularly those targeting neurological or anti-infective pathways.
• Agrochemical Synthesis: Used in the research and development of novel pesticides, herbicides, and fungicides, leveraging the quinoline scaffold's bioactivity.
• Ligand and Catalyst Development: Serves as a starting material for creating complex ligands used in catalytic systems and coordination chemistry.
• Organic Electronic Materials: Investigated as a component in the synthesis of organic semiconductors and light-emitting materials due to the conjugated quinoline system.
• Dye and Pigment Chemistry: Acts as a precursor for the development of specialized dyes, pigments, and fluorescent markers.
• Academic and Industrial Research: A fundamental reagent for methodological studies in heterocyclic chemistry and the construction of complex molecular architectures.

Basic Information

Product Name	3-Ethylquinoline-4-Carboxylic Acid
CAS No.	1873-52-5
Molecular Formula	C₁₂H₁₁NO₂
Molecular Weight	201.22 g/mol
Synonyms	4-Quinolinecarboxylic acid, 3-ethyl-; 3-Ethyl-4-quinolinecarboxylic acid; 3-Ethylquinoline-4-carboxylic acid; 3-Ethyl-4-carboxyquinoline; 3-Ethyl-4-quinoline carboxylic acid; 3-Ethylquinoline-4-carboxylate (anion form); 3-Ethyl-4-COOH-quinoline
EINECS	217-500-2

Quality Control

Our 3-Ethylquinoline-4-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and residual solvent analysis. We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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