Description

Benzo[C]Cinnoline-4-Carboxylic Acid is a specialized heterocyclic carboxylic acid derivative that serves as a high-value synthetic intermediate in advanced chemical research and development. Its unique fused cinnoline structure makes it a critical building block for constructing complex molecules with specific electronic and photophysical properties. This compound is primarily utilized by researchers and process chemists in the pharmaceutical, agrochemical, and materials science sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting neurological or oncological pathways.
• Agrochemical Research: Used in developing new generations of herbicides, fungicides, and plant growth regulators with enhanced efficacy.
• Organic Electronic Materials: Building block for creating organic semiconductors, light-emitting diodes (OLEDs), and photovoltaic materials due to its rigid, conjugated structure.
• Coordination Chemistry & Ligand Synthesis: Serves as a chelating ligand precursor for metal-organic frameworks (MOFs) and catalytic complexes.
• Dye & Pigment Manufacturing: Intermediate for synthesizing specialized azo dyes and high-performance pigments with improved stability.
• Academic & Industrial R&D: Fundamental reagent for methodological studies in organic synthesis and heterocyclic chemistry.

Basic Information

Product Name	Benzo[C]Cinnoline-4-Carboxylic Acid
CAS No.	20684-48-4
Molecular Formula	C13H8N2O2
Molecular Weight	224.22 g/mol
Synonyms	4-Carboxybenzo[c]cinnoline; Benzo[c]cinnoline-4-carboxylic acid; 1,2-Diazafluorene-4-carboxylic acid; 4-Benzo[c]cinnolinecarboxylic acid; NSC 403079; 4-Carboxy-1,2-diazafluorene
EINECS	Contact for details

Quality Control

Our Benzo[C]Cinnoline-4-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. We provide full traceability and detailed Certificates of Analysis (COA) to support your regulatory and R&D requirements. Specifications can be aligned with cGMP or other relevant quality standards upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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