Description

8-Methoxy-4-oxo-1,4-dihydrocinnoline-3-carboxylic acid is a high-purity, specialized organic compound belonging to the cinnoline class of heterocycles, serving as a critical advanced intermediate in modern synthetic chemistry. Its unique molecular structure, featuring both carboxylic acid and methoxy-substituted cinnoline moieties, makes it an invaluable building block for the development of novel active pharmaceutical ingredients (APIs) and fine chemicals. This compound is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for the synthesis of complex molecules with potential biological activity.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzymatic pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators with enhanced efficacy.
• Organic Synthesis Building Block: Employed in complex multi-step syntheses to construct fused heterocyclic systems for various applications.
• Material Science Research: Investigated as a potential component for organic electronic materials or metal-organic frameworks (MOFs).
• Chemical Reference Standard: Serves as a high-purity analytical standard for quality control and method development in laboratories.

Basic Information

Product Name	8-Methoxy-4-oxo-1,4-dihydrocinnoline-3-carboxylic Acid
CAS No.	90771-54-3
Molecular Formula	C10H8N2O4
Molecular Weight	220.18 g/mol
Synonyms	8-Methoxy-1,4-dihydro-4-oxocinnoline-3-carboxylic Acid; 3-Carboxy-8-methoxy-4(1H)-cinnolinone; 8-Methoxy-4(1H)-cinnolinone-3-carboxylic Acid; 8-Methoxy-4-hydroxycinnoline-3-carboxylic Acid; 90771-54-3; Cinnoline-3-carboxylic acid, 8-methoxy-1,4-dihydro-4-oxo-
EINECS	Contact for details

Quality Control

Our 8-Methoxy-4-oxo-1,4-dihydrocinnoline-3-carboxylic acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (IR, NMR), to ensure it meets the high standards required for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and consistency.

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 strong acids and organic solvents. The container must be kept tightly sealed to protect the contents from moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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