Description

4(1H)-Oxocinnoline 3-Carboxylic Acid is a heterocyclic organic compound featuring a fused cinnoline-oxo-carboxylic acid structure. This unique molecular architecture makes it a valuable advanced pharmaceutical intermediate and a versatile building block in synthetic organic chemistry. It is primarily utilized by research institutions and chemical manufacturers engaged in the development of novel active pharmaceutical ingredients (APIs), agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex heterocyclic compounds with potential biological activity.
• Agrochemical Research: Serves as a building block for developing new crop protection agents and herbicides.
• Organic Synthesis: Used as a versatile scaffold for constructing fused ring systems in medicinal and materials chemistry.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new synthetic pathways and reaction mechanisms.
• Fine Chemical Production: Integrated into the manufacture of specialty chemicals requiring its specific cinnoline core.

Basic Information

Product Name	4(1H)-Oxocinnoline 3-Carboxylic Acid
CAS No.	18514-85-7
Molecular Formula	C10H6N2O3
Molecular Weight	202.17 g/mol
Synonyms	4-Oxo-1,4-dihydrocinnoline-3-carboxylic acid; 4-Oxo-1H-cinnoline-3-carboxylic acid; 1H-4-Oxocinnoline-3-carboxylic Acid; 3-Carboxy-4(1H)-oxocinnoline; Cinnoline-3-carboxylic acid, 4-oxo-1,4-dihydro-; 4-Hydroxycinnoline-3-carboxylic acid (tautomer)
EINECS	Contact for details

Quality Control

Our 4(1H)-Oxocinnoline 3-Carboxylic Acid is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and fine chemical synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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