Description

7-Chloro-4-Hydroxy-[1,8]Naphthyridine-3-Carboxylic Acid Ethyl Ester is a high-purity, synthetically valuable naphthyridine derivative. This compound serves as a critical pharmaceutical intermediate and a versatile building block in advanced organic synthesis. It is primarily required by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of quinolone and naphthyridine-based antibacterial and antiviral agents.
• Organic Synthesis Building Block: Used in heterocyclic chemistry for constructing complex molecular architectures in medicinal chemistry research.
• Agrochemical Research: Employed in the development of new crop protection agents and pesticides.
• Chemical Reference Standard: Serves as a high-purity standard for analytical method development and quality control in API manufacturing.
• Material Science Research: Investigated as a potential ligand or component in the creation of functional organic materials.

Basic Information

Product Name	7-Chloro-4-Hydroxy-[1,8]Naphthyridine-3-Carboxylic Acid Ethyl Ester
CAS No.	83785-66-4
Molecular Formula	C11H9ClN2O3
Molecular Weight	252.66 g/mol
Synonyms	Ethyl 7-Chloro-4-hydroxy-1,8-naphthyridine-3-carboxylate; 7-Chloro-4-hydroxy-1,8-naphthyridine-3-carboxylic acid ethyl ester; 1,8-Naphthyridine-3-carboxylic acid, 7-chloro-4-hydroxy-, ethyl ester; 7-Chloro-4-hydroxy-[1,8]naphthyridin-3-carbonsäure-ethylester (German); 7-Chloro-4-hydroxy-1,8-naphthyridine-3-carboxylate de éthyle (French)
EINECS	Contact for details

Quality Control

Our 7-Chloro-4-Hydroxy-[1,8]Naphthyridine-3-Carboxylic Acid Ethyl Ester is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment 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 a controlled room temperature (15-25°C). Keep away from incompatible materials. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.0%

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