Description

5H-Pyrano[2,3,4,5-Lmn]Phenanthridin-5-One is a specialized fused heterocyclic compound that serves as a critical advanced intermediate in organic synthesis. Its unique polycyclic structure makes it a valuable building block for the development of complex molecules with specific electronic or photophysical properties. This high-purity intermediate is primarily sought by research institutions and chemical manufacturers engaged in pharmaceutical development, materials science, and the synthesis of novel organic semiconductors.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting neurological or oncological pathways.
• Organic Electronic Materials: Serves as a core structure for developing organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and other optoelectronic materials due to its extended π-conjugation system.
• Dye & Pigment Synthesis: Used in the research and production of high-performance dyes and pigments, where its fused ring system contributes to color fastness and specific light absorption properties.
• Ligand & Catalyst Development: Acts as a scaffold for creating novel ligands in coordination chemistry and catalysis, useful in asymmetric synthesis and polymerization processes.
• Academic & Industrial Research: Essential compound for fundamental research in heterocyclic chemistry, photochemistry, and the exploration of new chemical entities.

Basic Information

Product Name	5H-Pyrano[2,3,4,5-Lmn]Phenanthridin-5-One
CAS No.	4733-28-2
Molecular Formula	C₁₅H₇NO₂
Molecular Weight	233.22 g/mol
Synonyms	5H-Pyrano[2,3,4,5-lmn]phenanthridin-5-one; Benzo[6,7]phenanthro[10,1-bc]pyran-5-one; 5H-Pyrano[2,3,4,5-lmn]phenanthridine-5-one; 5H-Pyrano[2,3,4,5-lmn]phenanthridin-5-one; 5H-Pyrano[2,3,4,5-lmn]phenanthridinone; 5H-Pyrano[2,3,4,5-lmn]phenanthridin-5-one; 5H-Pyrano[2,3,4,5-lmn]phenanthridin-5-one (CAS 4733-28-2)
EINECS	Contact for details

Quality Control

Our production of 5H-Pyrano[2,3,4,5-Lmn]Phenanthridin-5-One adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for sensitive applications. Each lot undergoes comprehensive analytical characterization, including HPLC for purity assessment and spectroscopic methods for structural confirmation. Certificates of Analysis (COA) detailing all test results are provided with every shipment, and we support custom purity specifications to meet specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Standard Grade)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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