Description

1H,3H-Naphtho[1,8-Cd]Pyran CAS NO 203-84-9 is a high-purity, fused aromatic heterocyclic compound belonging to the pyran class. This specialized chemical serves as a critical advanced intermediate or building block in the synthesis of complex organic molecules, particularly in materials science and fine chemical research. It is primarily sought by R&D laboratories, pharmaceutical developers, and specialty chemical manufacturers for creating novel compounds with specific optical or electronic properties.

Application

• Pharmaceutical Intermediate: Used in the research and development of new active pharmaceutical ingredients (APIs), particularly for compounds requiring a rigid, fused aromatic framework.
• Organic Light-Emitting Diode (OLED) Materials: Acts as a core structure or precursor in the synthesis of electron-transporting materials (ETMs) or host materials for emissive layers.
• Organic Semiconductor Research: Serves as a building block for developing novel π-conjugated systems for use in organic field-effect transistors (OFETs) or photovoltaic cells.
• Dye and Pigment Synthesis: Utilized as a key intermediate in the production of specialized dyes, pigments, and fluorescent markers due to its extended aromatic system.
• Ligand and Catalyst Development: Employed in creating novel chelating ligands for transition metal catalysts used in asymmetric synthesis or polymerization.
• Academic and Industrial R&D: A valuable compound for fundamental research in organic chemistry and the development of new functional materials.

Basic Information

Product Name	1H,3H-Naphtho[1,8-Cd]Pyran
CAS No.	203-84-9
Molecular Formula	C₁₃H₁₀O
Molecular Weight	182.22 g/mol
Synonyms	1H,3H-Naphtho[1,8-cd]pyran; 1H,3H-Benzo[de]isochromene; Naphtho[1,8-cd]pyran; 1,8-Naphthopyran; 1H,3H-Benzo[de]chromene; 1,8-Ethylenenaphthalene oxide; 1,8-Dihydronaphtho[1,8-cd]pyran; 1,8-Dihydrobenzo[de]chromene
EINECS	205-912-3

Quality Control

Our 1H,3H-Naphtho[1,8-Cd]Pyran is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic identification (NMR, IR, MS), to ensure it meets exacting R&D and production standards. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming batch-specific specifications and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.