Description

3-Quinolinecarboxylic Acid, 5-Chloro-1,2-Dihydro-4-Hydroxy-1-Methyl-2-Oxo-, Methyl Ester is a high-purity, synthetically valuable quinoline derivative. This compound serves as a critical advanced pharmaceutical intermediate and a versatile building block for complex organic synthesis. It is primarily required by R&D and production teams in the pharmaceutical, agrochemical, and fine chemical industries for developing novel active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly in therapeutic areas targeting specific enzyme inhibition.
• Agrochemical Synthesis: Building block for developing advanced herbicides, fungicides, or insecticides with enhanced efficacy.
• Organic Light-Emitting Diode (OLED) Materials: Potential use in the development of electron-transport or host materials for display and lighting technologies.
• Coordination Chemistry & Ligand Synthesis: Serves as a precursor for creating complexing agents or ligands used in catalysis and material science.
• Research & Development: Essential reference standard and starting material for academic and industrial research in medicinal and heterocyclic chemistry.
• Fine Chemical Production: Intermediate for the manufacture of dyes, pigments, and other specialty chemicals requiring a functionalized quinoline core.

Basic Information

Product Name	3-Quinolinecarboxylic Acid, 5-Chloro-1,2-Dihydro-4-Hydroxy-1-Methyl-2-Oxo-, Methyl Ester
CAS No.	637027-41-9
Molecular Formula	C12H10ClNO4
Molecular Weight	267.66 g/mol
Synonyms	Methyl 5-Chloro-1,2-dihydro-4-hydroxy-1-methyl-2-oxo-3-quinolinecarboxylate; 5-Chloro-1,2-dihydro-4-hydroxy-1-methyl-2-oxo-3-quinolinecarboxylic Acid Methyl Ester; 3-Quinolinecarboxylic acid, 5-chloro-1,2-dihydro-4-hydroxy-1-methyl-2-oxo-, methyl ester; Methyl 5-chloro-4-hydroxy-1-methyl-2-oxo-1,2-dihydroquinoline-3-carboxylate; 1,2-Dihydro-5-chloro-4-hydroxy-1-methyl-2-oxo-3-quinolinecarboxylic Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our 3-Quinolinecarboxylic Acid, 5-Chloro-1,2-Dihydro-4-Hydroxy-1-Methyl-2-Oxo-, Methyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This material is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere if necessary.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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