Description

Cinchoninic Acid, 2-Ethyl-3-Hydroxy- (4Ci) is a specialized quinoline derivative that serves as a key synthetic intermediate and building block in advanced organic chemistry. Its unique molecular structure, featuring both carboxylic acid and hydroxyl functional groups, makes it a versatile precursor for the synthesis of complex molecules, particularly in pharmaceutical research and fine chemical manufacturing. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and material science industries who require high-purity, structurally defined intermediates for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel quinoline-based drug candidates, including potential antimalarial, anticancer, and antimicrobial agents.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its heterocyclic core for bioactivity.
• Ligand and Catalyst Development: Serves as a precursor for creating complex chelating ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Fine Chemical Production: Employed in the multi-step synthesis of dyes, pigments, and other specialty chemicals requiring a functionalized quinoline scaffold.
• Academic and R&D: A valuable reagent for methodological studies in organic synthesis, heterocyclic chemistry, and medicinal chemistry research programs.
• Material Science Precursor: Used in the development of organic electronic materials, such as semiconductors and light-emitting compounds.

Basic Information

Product Name	Cinchoninic Acid, 2-Ethyl-3-Hydroxy- (4Ci)
CAS No.	811432-22-1
Molecular Formula	C12H11NO3
Molecular Weight	217.22 g/mol
Synonyms	2-Ethyl-3-hydroxycinchoninic acid; 2-Ethyl-3-hydroxyquinoline-4-carboxylic acid; 3-Hydroxy-2-ethyl-4-quinolinecarboxylic acid; 4-Quinolinecarboxylic acid, 2-ethyl-3-hydroxy-; 2-Ethyl-3-hydroxy-1,4-dihydro-4-oxoquinoline-4-carboxylic acid; 2-Ethyl-3-hydroxy-4-quinolinecarboxylic acid
EINECS	Contact for details

Quality Control

Every batch of Cinchoninic Acid, 2-Ethyl-3-Hydroxy- (4Ci) is manufactured under strict quality management protocols. Our products undergo rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our commitment to quality supports compliance with cGMP and ISO 9001 standards where applicable, ensuring reliability for your most demanding research and production processes.

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). Keep away from incompatible materials such as strong oxidizing agents, strong bases, and strong acids. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0% Any single impurity ≤ 1.0%

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