Description

7-Methoxy-1-Methyl-4-Oxo-1,4-Dihydro-Quinoline-3-Carboxylic Acid is a high-purity, synthetically derived quinoline derivative with significant pharmaceutical relevance. This compound serves as a critical advanced intermediate in the synthesis of novel active pharmaceutical ingredients (APIs), particularly within the fluoroquinolone antibiotic class. It is essential for research and development chemists and manufacturing units in the pharmaceutical and fine chemical industries seeking reliable, high-quality building blocks for complex molecular construction.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the development and production of fluoroquinolone antibacterial agents.
• Research & Development: Used in medicinal chemistry for the design and synthesis of new quinoline-based drug candidates with potential therapeutic applications.
• Fine Chemical Synthesis: Employed as a specialized building block for constructing complex heterocyclic compounds in custom synthesis projects.
• API Manufacturing: Integrated into Good Manufacturing Practice (GMP) compliant processes for the commercial-scale production of active pharmaceutical ingredients.

Basic Information

Product Name	7-Methoxy-1-Methyl-4-Oxo-1,4-Dihydro-Quinoline-3-Carboxylic Acid
CAS No.	43170-75-8
Molecular Formula	C₁₂H₁₁NO₄
Molecular Weight	233.22 g/mol
Synonyms	1,4-Dihydro-7-methoxy-1-methyl-4-oxo-3-quinolinecarboxylic acid; 7-Methoxy-1-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid; 3-Quinolinecarboxylic acid, 1,4-dihydro-7-methoxy-1-methyl-4-oxo-; 1-Methyl-7-methoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid; 4-Oxo-7-methoxy-1-methyl-1,4-dihydroquinoline-3-carboxylic acid; 7-Methoxy-1-methyl-4-oxoquinoline-3-carboxylic acid; 1-Methyl-7-methoxy-4-oxoquinoline-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our 7-Methoxy-1-Methyl-4-Oxo-1,4-Dihydro-Quinoline-3-Carboxylic Acid is manufactured under strict quality management systems. The product undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets exacting standards suitable for pharmaceutical R&D and intermediate use. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with each batch and is available upon request.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
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.