Description

3-Quinolinecarboxylic Acid, 1,2-Dihydro-4-Hydroxy-2-Oxo-, Methyl Ester is a high-purity, specialized quinoline derivative that serves as a critical synthetic intermediate and building block in advanced organic synthesis. Its unique molecular structure, featuring both carboxylic ester and hydroxyl-oxo functionalities, makes it a versatile precursor for constructing complex heterocyclic systems. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical sectors, where it is used to develop novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting infectious diseases or central nervous system disorders.
• Agrochemical Research: Used as a precursor in developing new herbicides, fungicides, and insecticides with enhanced efficacy and selectivity.
• Organic Synthesis Reagent: A versatile starting material for constructing complex quinoline-based heterocycles and fused ring systems in academic and industrial R&D.
• Material Science Precursor: Potential intermediate in the synthesis of organic ligands for metal-organic frameworks (MOFs) or functional dyes.
• Chemical Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	3-Quinolinecarboxylic Acid, 1,2-Dihydro-4-Hydroxy-2-Oxo-, Methyl Ester
CAS No.	73776-19-9
Molecular Formula	C11H9NO4
Molecular Weight	219.19 g/mol
Synonyms	Methyl 1,2-dihydro-4-hydroxy-2-oxoquinoline-3-carboxylate; Methyl 4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylate; 1,2-Dihydro-4-hydroxy-2-oxo-3-quinolinecarboxylic acid methyl ester; 4-Hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylic acid methyl ester; 3-Quinolinecarboxylic acid, 1,2-dihydro-4-hydroxy-2-oxo-, methyl ester; CAS 73776-19-9
EINECS	Contact for details

Quality Control

Our 3-Quinolinecarboxylic Acid, 1,2-Dihydro-4-Hydroxy-2-Oxo-, Methyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and synthesis. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and consistent quality for your critical applications.

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). Keep away from heat, sparks, and open flame. The compound is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.