Description

Ethyl 1,4-Dihydro-7-Nitro-4-Oxoquinoline-3-Carboxylate is a high-purity, synthetic organic compound belonging to the 4-quinolone family, serving as a critical advanced intermediate in pharmaceutical research and development. Its core value lies in enabling the synthesis of novel therapeutic agents, particularly within the antibacterial and antiviral domains, by providing a versatile and functionalized molecular scaffold. This product is essential for R&D chemists, process development scientists, and manufacturers in the pharmaceutical and fine chemical industries who require reliable, high-quality building blocks for complex molecule synthesis.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel quinolone and fluoroquinolone-based antibacterial agents.
• Active Pharmaceutical Ingredient (API) Development: Used in research and process development for creating new drug candidates targeting bacterial infections.
• Chemical Synthesis Building Block: Serves as a versatile scaffold for introducing the 4-oxoquinoline-3-carboxylate moiety into more complex molecular structures.
• Biochemical Research: Employed in studies investigating structure-activity relationships (SAR) of quinolone derivatives.
• Fine Chemical Production: Utilized in the multi-step synthesis of specialized, high-value organic compounds for various industrial applications.

Basic Information

Product Name	Ethyl 1,4-Dihydro-7-Nitro-4-Oxoquinoline-3-Carboxylate
CAS No.	69994-70-3
Molecular Formula	C₁₂H₁₀N₂O₅
Molecular Weight	262.22 g/mol
Synonyms	Ethyl 7-Nitro-1,4-dihydro-4-oxoquinoline-3-carboxylate; 7-Nitro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester; 3-Carbethoxy-7-nitro-4-hydroxyquinoline; 4-Hydroxy-7-nitro-3-quinolinecarboxylic Acid Ethyl Ester; Ethyl 7-Nitro-4-hydroxyquinoline-3-carboxylate; ENQ; 7-Nitro-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid Ethyl Ester
EINECS	Contact for details

Quality Control

Our Ethyl 1,4-Dihydro-7-Nitro-4-Oxoquinoline-3-Carboxylate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, to meet stringent specifications suitable for research and development use. Certificates of Analysis (COA) documenting identity, purity, and related substances are provided with every shipment.

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 incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%

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