Description

2-Quinolinecarboxylicacid,4-Hydroxy-5-Methyl-(9Ci) CAS NO 36303-31-8 is a high-purity, functionalized quinoline derivative that serves as a critical building block in advanced organic synthesis. Its unique molecular structure, featuring both carboxylic acid and hydroxy-methyl substituents, makes it an invaluable intermediate for creating complex molecules with tailored properties. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways where the quinoline scaffold is active.
• Agrochemical Research: Used in developing new generations of herbicides, fungicides, and plant growth regulators that require complex heterocyclic cores.
• Ligand Synthesis: Serves as a starting material for creating chelating ligands used in catalysis and metal complexation studies.
• Material Science: Building block for organic electronic materials, dyes, and pigments due to its conjugated quinoline system.
• Chemical Biology Probes: Utilized in the design and synthesis of fluorescent tags or molecular probes for biological imaging and diagnostics.

Basic Information

Item	Detail
Product Name	2-Quinolinecarboxylicacid,4-Hydroxy-5-Methyl-(9Ci)
CAS No.	36303-31-8
Molecular Formula	C11H9NO3
Molecular Weight	203.19 g/mol
Synonyms	4-Hydroxy-5-methylquinoline-2-carboxylic acid; 5-Methyl-4-hydroxy-2-quinolinecarboxylic acid; 4-Hydroxy-5-methyl-2-quinolinecarboxylic acid; 2-Quinolinecarboxylic acid, 4-hydroxy-5-methyl-; 4-Hydroxy-5-methylquinoline-2-carboxylate; 36303-31-8 (CAS); 4-Hydroxy-5-methyl-2-quinolincarboxylic acid
EINECS	Contact for details

Quality Control

Our production of 2-Quinolinecarboxylicacid,4-Hydroxy-5-Methyl-(9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, NMR, and mass spectrometry to verify identity and quantify impurities. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment, supporting your quality assurance and regulatory documentation 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). Keep away from strong acids and organic solvents. The container should be kept tightly sealed in a dry environment to maintain product integrity.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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