Description

1,2,3,4-Tetrahydro-1-Hydroxy-2-Oxo-3-Quinolinecarboxylic Acid Ethyl Ester is a high-purity, versatile organic intermediate with a complex fused-ring structure. This compound is valued for its role as a critical building block in the synthesis of advanced pharmaceutical compounds and fine chemicals. It is primarily sought by research and development teams, process chemists, and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of quinoline-based drug candidates, including potential central nervous system (CNS) agents and antimicrobials.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, leveraging its heterocyclic scaffold.
• Fine Chemical Production: Serves as a specialized building block for creating complex molecules in custom synthesis and contract manufacturing.
• Academic & Industrial Research: Employed in medicinal chemistry programs for structure-activity relationship (SAR) studies and library synthesis.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development and quality control in API manufacturing.

Basic Information

Product Name	1,2,3,4-Tetrahydro-1-Hydroxy-2-Oxo-3-Quinolinecarboxylic Acid Ethyl Ester
CAS No.	784-91-8
Molecular Formula	C12H13NO4
Molecular Weight	235.24 g/mol
Synonyms	Ethyl 1,2,3,4-tetrahydro-1-hydroxy-2-oxo-3-quinolinecarboxylate; Ethyl 1-hydroxy-2-oxo-1,2,3,4-tetrahydroquinoline-3-carboxylate; 3-Quinolinecarboxylic acid, 1,2,3,4-tetrahydro-1-hydroxy-2-oxo-, ethyl ester; 1-Hydroxy-2-oxo-1,2,3,4-tetrahydroquinoline-3-carboxylic acid ethyl ester; NSC 403169
EINECS	Contact for details

Quality Control

Our 1,2,3,4-Tetrahydro-1-Hydroxy-2-Oxo-3-Quinolinecarboxylic Acid Ethyl Ester is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) with detailed specifications are provided for each lot to support your quality assurance and regulatory requirements.

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 such as strong oxidizing agents.

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%

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