Description

4-Hydroxy-5-Methoxy-9H-Fluoren-9-One is a high-purity, functionalized fluorenone derivative that serves as a critical building block in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of sophisticated materials and active pharmaceutical ingredients (APIs), where precise molecular architecture is paramount. It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for creating novel compounds with targeted properties.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those with complex polycyclic structures.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its functionalized fluorenone core for biological activity.
• Organic Light-Emitting Diodes (OLEDs): Serves as a building block for electron-transport materials or host materials in OLED displays and lighting due to the fluorenone scaffold's electronic properties.
• Dye and Pigment Synthesis: Acts as an intermediate for creating specialized dyes, pigments, and optical brighteners where the hydroxy and methoxy groups allow for further chemical modification.
• Academic & Industrial R&D: Employed in chemical research for studying reaction mechanisms, developing new synthetic methodologies, and creating functional materials.
• Ligand and Catalyst Development: Utilized in the preparation of complex ligands for catalysis or in the synthesis of organometallic compounds.

Basic Information

Item	Details
Product Name	4-Hydroxy-5-Methoxy-9H-Fluoren-9-One
CAS No.	42523-47-7
Molecular Formula	C₁₄H₁₀O₃
Molecular Weight	226.23 g/mol
Synonyms	5-Methoxy-4-hydroxy-9H-fluoren-9-one; 4-Hydroxy-5-methoxyfluoren-9-one; 9H-Fluoren-9-one, 4-hydroxy-5-methoxy-; 4,5-Dihydroxy-9-fluorenone methyl ether (related); Light-sensitive fluorenone derivative
EINECS	Contact for details

Quality Control

Our 4-Hydroxy-5-Methoxy-9H-Fluoren-9-One is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles 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 room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

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

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