Description

5-Chloro-1,4-Dihydro-4-Oxo-1,6-Naphthyridine-3-Carboxylic Acid Ethyl Ester is a high-purity, synthetically valuable naphthyridine derivative. This compound serves as a critical pharmaceutical intermediate and building block in advanced organic synthesis. It is primarily required by research institutions and manufacturers in the pharmaceutical and fine chemical industries for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly in antibacterial and antiviral research.
• Active Pharmaceutical Ingredient (API) Synthesis: Used in the production pathway for complex APIs containing the naphthyridine core structure.
• Chemical Research & Development: Serves as a versatile scaffold for medicinal chemistry, enabling structure-activity relationship (SAR) studies.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals and advanced materials requiring high-purity heterocyclic compounds.
• Reference Standard: Utilized as an analytical standard in quality control laboratories for method development and validation.

Basic Information

Product Name	5-Chloro-1,4-Dihydro-4-Oxo-1,6-Naphthyridine-3-Carboxylic Acid Ethyl Ester
CAS No.	83785-77-7
Molecular Formula	C11H9ClN2O3
Molecular Weight	252.65 g/mol
Synonyms	Ethyl 5-Chloro-1,4-dihydro-4-oxo-1,6-naphthyridine-3-carboxylate; 5-Chloro-4-oxo-1,4-dihydro-1,6-naphthyridine-3-carboxylic Acid Ethyl Ester; 1,6-Naphthyridine-3-carboxylic acid, 5-chloro-1,4-dihydro-4-oxo-, ethyl ester; 83785-77-7; Ethyl 5-chloro-4-oxo-1,4-dihydro-1,6-naphthyridine-3-carboxylate
EINECS	Contact for details

Quality Control

Our 5-Chloro-1,4-Dihydro-4-Oxo-1,6-Naphthyridine-3-Carboxylic Acid Ethyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical R&D and production. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider inert atmosphere conditions to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Maximum Impurity	≤ 0.5%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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