Description

5-Methoxy-3-Methyl-1H-Naphtho[2,1-B]Pyran-1-One is a high-purity, synthetically derived organic compound belonging to the naphthopyranone class. This specialty chemical serves as a critical advanced intermediate in the synthesis of complex molecules, valued for its unique fused-ring structure. It is primarily sought by pharmaceutical R&D and fine chemical synthesis sectors for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the research and synthesis of novel drug candidates, particularly in oncology and central nervous system (CNS) therapeutic areas.
• Organic Light-Emitting Diode (OLED) Materials: Used in the development of electron-transporting or host materials due to its rigid, planar naphthopyranone core.
• Agrochemical Synthesis: Intermediate for creating advanced active ingredients with specific biological activity.
• Dye and Pigment Precursor: Serves as a starting material for synthesizing specialized colorants and functional dyes.
• Academic and Industrial Research: A valuable reagent for methodological studies in organic chemistry and material science.
• Ligand and Catalyst Development: Potential framework for creating novel ligands in coordination chemistry and catalysis.

Basic Information

Product Name	5-Methoxy-3-Methyl-1H-Naphtho[2,1-B]Pyran-1-One
CAS No.	5891-85-0
Molecular Formula	C₁₅H₁₂O₃
Molecular Weight	240.26 g/mol
Synonyms	5-Methoxy-3-methyl-1H-naphtho[2,1-b]pyran-1-one; 3-Methyl-5-methoxy-1H-naphtho[2,1-b]pyran-1-one; 5-Methoxy-3-methyl-1H-benzo[f]chromen-1-one; 1H-Naphtho[2,1-b]pyran-1-one, 5-methoxy-3-methyl-; 5891-85-0; 5-Methoxy-3-methylnaphtho[2,1-b]pyran-1-one
EINECS	Contact for details

Quality Control

Every batch of 5-Methoxy-3-Methyl-1H-Naphtho[2,1-B]Pyran-1-One is manufactured under a strict quality management system. We employ advanced analytical techniques including HPLC, GC-MS, and NMR to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical characteristics is provided with each shipment, supporting your regulatory and R&D documentation needs.

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 such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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