Description

2-Quinolinecarboxylicacid,3-Amino-4-Hydroxy-(9Ci) is a high-purity, functionalized quinoline derivative with significant synthetic utility. This compound serves as a versatile and critical pharmaceutical intermediate and organic building block for advanced chemical synthesis. It is essential for research and manufacturing organizations in the pharmaceutical, agrochemical, and specialty chemical sectors requiring precise molecular scaffolds.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with quinoline-based structures.
• Agrochemical Synthesis: Building block for developing novel fungicides, herbicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Used in the production of specialized dyes, pigments, and optical brighteners due to its chromophoric properties.
• Ligand and Catalyst Development: Serves as a chelating ligand for metal complexes in catalytic applications and material science.
• Organic Electronic Materials: Potential monomer for constructing advanced organic semiconductors and light-emitting materials.
• Research & Development: Valuable reagent in academic and industrial R&D for medicinal chemistry and heterocyclic compound exploration.

Basic Information

Product Name	2-Quinolinecarboxylicacid,3-Amino-4-Hydroxy-(9Ci)
CAS No.	58401-44-8
Molecular Formula	C₁₀H₈N₂O₃
Molecular Weight	204.19 g/mol
Synonyms	3-Amino-4-hydroxyquinoline-2-carboxylic acid; 3-Amino-4-hydroxy-2-quinolinecarboxylic acid; 4-Hydroxy-3-aminoquinoline-2-carboxylic acid; 2-Carboxy-3-amino-4-hydroxyquinoline; 3-Amino-4-hydroxy-2-quinolincarbonsäure (German); AQCA; 9CI reference compound for quinoline derivatives.
EINECS	Contact for details

Quality Control

Our 2-Quinolinecarboxylicacid,3-Amino-4-Hydroxy-(9Ci) is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications and test results are provided and available upon request to support your quality assurance and regulatory compliance needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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