Description

3-Methyl-9H-Fluorene CAS NO 2523-39-9 is a high-purity, polycyclic aromatic hydrocarbon derivative serving as a critical building block in advanced organic synthesis. Its value lies in its rigid, planar fluorene core with a strategically placed methyl group, which is essential for tuning the electronic and steric properties of complex molecules. This compound is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and materials science sectors for developing novel active ingredients and functional organic materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring a rigid, lipophilic scaffold.
• Organic Electronic Materials: Serves as a core building block for hole-transport materials, host materials, and emitters in OLEDs (Organic Light-Emitting Diodes) and OFETs (Organic Field-Effect Transistors).
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides, where the fluorene structure contributes to biological activity and stability.
• Ligand and Catalyst Development: Acts as a backbone for creating specialized ligands in asymmetric catalysis and organometallic chemistry.
• Polymer and Resin Modifier: Incorporated into polymer chains to enhance thermal stability, refractive index, and mechanical properties of high-performance plastics and coatings.
• Academic and Industrial R&D: A fundamental reagent for methodological studies in organic chemistry and material science research.

Basic Information

Product Name	3-Methyl-9H-Fluorene
CAS No.	2523-39-9
Molecular Formula	C14H12
Molecular Weight	180.25 g/mol
Synonyms	3-Methylfluorene; 9H-Fluorene, 3-methyl-; 3-Methyl-9H-fluorene; 2-Methylfluorene (common misnomer); 3-MF; Fluorene, 3-methyl-; 2523-39-9 (CAS Registry Number)
EINECS	219-765-5

Quality Control

Our 3-Methyl-9H-Fluorene is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specification parameters. Our quality commitment ensures the material is suitable for demanding applications in pharmaceutical research and advanced material synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to prevent potential oxidation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	95 - 99 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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