Description

7-Nitro-9-Oxo-4-Fluorenecarboxylic Acid is a specialized nitro-substituted fluorene derivative that serves as a critical synthetic intermediate. Its unique molecular structure, featuring both a carboxylic acid and a nitro group on a fluorene backbone, makes it a valuable building block for creating complex organic molecules. This compound is primarily utilized by research institutions and industrial R&D departments focused on advanced material science, pharmaceutical development, and the synthesis of functional dyes and pigments.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting specific biological pathways.
• Organic Electronic Materials: Building block for the development of organic semiconductors, charge-transport materials, and components for OLEDs or photovoltaic cells.
• Functional Dye & Pigment Synthesis: Used in the creation of high-performance dyes, pigments, and fluorescent markers due to the fluorene core's photophysical properties.
• Agrochemical Research: Intermediate in the development of new herbicides, pesticides, or plant growth regulators that require a nitro-aromatic moiety.
• Ligand & Catalyst Development: Serves as a starting material for synthesizing specialized ligands used in catalytic systems or metal-organic frameworks (MOFs).
• Academic & Industrial R&D: Essential reagent for chemical research exploring new organic reactions, polymer chemistry, and material properties.

Basic Information

Product Name	7-Nitro-9-Oxo-4-Fluorenecarboxylic Acid
CAS No.	42523-38-6
Molecular Formula	C15H7NO5
Molecular Weight	281.22 g/mol
Synonyms	4-Fluorenecarboxylic acid, 7-nitro-9-oxo-; 9-Oxo-7-nitrofluorene-4-carboxylic acid; 7-Nitro-9-oxofluorene-4-carboxylic acid; 7-Nitro-9H-fluorene-4-carboxylic acid, 9-oxo-; 7-Nitro-9-fluorenone-4-carboxylic acid; 4-Carboxy-7-nitro-9-fluorenone; 7-Nitro-9-fluorenone-4-carboxylic acid
EINECS	Contact for details

Quality Control

Every batch of 7-Nitro-9-Oxo-4-Fluorenecarboxylic Acid undergoes rigorous analytical testing to ensure identity, purity, and consistency. Our quality assurance protocols are designed to meet the stringent requirements of research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity (typically by HPLC), identity confirmation (by IR, NMR), and impurity profiles is provided with each shipment to guarantee traceability and compliance with your specifications.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which may affect stability and handling properties.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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