Description

7,8-Dimethoxy-2-Methyl-1H-Naphtho[2,1-B]Pyran-1-One is a high-purity, synthetic organic compound belonging to the naphthopyranone chemical class. This specialty chemical serves as a critical advanced intermediate and building block in the synthesis of complex molecules, valued for its unique fused-ring structure. It is primarily utilized by pharmaceutical R&D and fine chemical manufacturers for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, particularly in medicinal chemistry research for developing new therapeutic agents.
• Organic Synthesis Building Block: Used in complex multi-step organic syntheses to construct more elaborate molecular architectures due to its reactive functional groups.
• Material Science Research: Investigated as a monomer or precursor for developing specialty polymers, dyes, or organic electronic materials.
• Agrochemical Intermediate: Potential use in the research and development of novel, high-performance crop protection agents.
• Academic & Industrial R&D: Serves as a standard or starting material in chemical research laboratories for method development and discovery chemistry.

Basic Information

Product Name	7,8-Dimethoxy-2-Methyl-1H-Naphtho[2,1-B]Pyran-1-One
CAS No.	54889-69-9
Molecular Formula	C₁₆H₁₄O₄
Molecular Weight	270.28 g/mol
Synonyms	2-Methyl-7,8-dimethoxy-1H-naphtho[2,1-b]pyran-1-one; 7,8-Dimethoxy-2-methyl-1H-naphtho[2,1-b]pyran-1-one; 1H-Naphtho[2,1-b]pyran-1-one, 7,8-dimethoxy-2-methyl-; Naphtho[2,1-b]pyran-1-one derivative; DMNPP; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 7,8-Dimethoxy-2-Methyl-1H-Naphtho[2,1-B]Pyran-1-One is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR), to ensure it meets exacting specifications for research and industrial use. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and compliance with your project requirements.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
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.