Description

3H-Naphtho(2,1-B)Pyran-3-One is a specialized organic heterocyclic compound belonging to the pyranone class, serving as a crucial synthetic intermediate and building block. Its unique fused-ring structure makes it valuable for constructing complex molecular architectures in advanced chemical synthesis. This compound is primarily sought by research and development chemists in the pharmaceutical and agrochemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of potential drug candidates, particularly those with fused heterocyclic structures.
• Agrochemical Research: Used in the development of new pesticides, herbicides, and fungicides requiring specific pyranone motifs.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor or core structure for electron-transport materials or emissive layer components.
• Dye and Pigment Synthesis: Intermediate for creating specialized naphthopyranone-based colorants and photochromic dyes.
• Material Science: Utilized in the research of advanced organic semiconductors and conductive polymers.
• Academic & Industrial R&D: Serves as a standard or starting material for methodological studies and novel reaction development in organic chemistry.

Basic Information

Product Name	3H-Naphtho(2,1-B)Pyran-3-One
CAS No.	4352-89-0
Molecular Formula	C₁₃H₈O₂
Molecular Weight	196.20 g/mol
Synonyms	3H-Naphtho[2,1-b]pyran-3-one; 2H-Naphtho[2,1-b]pyran-2-one; 3H-Benzo[f]chromen-3-one; Naphtho[2,1-b]pyran-3-one; 2H-Benzo[f]chromen-2-one; 3H-Naphtho(2,1-b)pyran-3-one; Naphtho(2,1-b)pyran-3(2H)-one
EINECS	Contact for details

Quality Control

Our 3H-Naphtho(2,1-B)Pyran-3-One is produced under strict quality management protocols. Each batch undergoes comprehensive 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 Certificate of Analysis (COA) detailing batch-specific results is provided with every shipment.

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 such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.