Description

Butanoic Acid, 2-[(1,2-Dihydro-4-Hydroxy-2-Oxo-1,8-Naphthyridin-3-Yl)Methylene]-3-Oxo-, Ethyl Ester (9Ci) is a high-purity, synthetic organic compound with a complex molecular structure based on a naphthyridine core. This compound is valued for its role as a key pharmaceutical intermediate and a versatile building block in advanced organic synthesis. It is primarily required by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for developing novel active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those targeting specific enzymatic pathways.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its heterocyclic structure for biological activity.
• Fine Chemical Synthesis: Acts as a specialized building block for creating complex molecules in research and development laboratories.
• Chemical Reference Standard: Employed as a high-purity standard for analytical method development and quality control in chemical analysis.
• Material Science Research: Investigated for potential use in creating advanced organic materials with specific electronic or photonic properties.

Basic Information

Product Name	Butanoic Acid, 2-[(1,2-Dihydro-4-Hydroxy-2-Oxo-1,8-Naphthyridin-3-Yl)Methylene]-3-Oxo-, Ethyl Ester (9Ci)
CAS No.	401938-64-5
Molecular Formula	C₁₆H₁₄N₂O₅
Molecular Weight	314.29 g/mol
Synonyms	Ethyl 2-[(1,2-dihydro-4-hydroxy-2-oxo-1,8-naphthyridin-3-yl)methylene]-3-oxobutanoate; 2-[(1,2-Dihydro-4-hydroxy-2-oxo-1,8-naphthyridin-3-yl)methylene]-3-oxo-butanoic acid ethyl ester; 3-(1-Ethoxycarbonyl-2-oxopropylidene)-1,2-dihydro-4-hydroxy-1,8-naphthyridin-2-one; Butanoic acid, 2-[(1,2-dihydro-4-hydroxy-2-oxo-1,8-naphthyridin-3-yl)methylene]-3-oxo-, ethyl ester; 401938-64-5; Ethyl 3-(1,2-dihydro-4-hydroxy-2-oxo-1,8-naphthyridin-3-yl)methyleneacetoacetate
EINECS	Contact for details

Quality Control

Our Butanoic Acid, 2-[(1,2-Dihydro-4-Hydroxy-2-Oxo-1,8-Naphthyridin-3-Yl)Methylene]-3-Oxo-, Ethyl Ester (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and residual solvent analysis, to ensure it meets exacting specifications for research and industrial use. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Yellow to light brown 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	≤ 20 ppm

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