Description

3-Acetyl-8-Methoxy-2-Methyl-1H-Naphtho[2,1-B]Pyran-1-One is a high-purity, complex organic compound belonging to the naphthopyranone class. This specialty chemical serves as a critical advanced intermediate for the synthesis of sophisticated molecules in pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and agrochemical industries.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex heterocyclic scaffolds.
• Agrochemical Research: Used in the development of new generation pesticides and herbicides, leveraging its unique fused-ring structure.
• Organic Synthesis & Material Science: Serves as a precursor for dyes, pigments, and functional organic materials due to its chromophoric naphthopyranone core.
• Academic & Contract Research: Essential for methodological studies and discovery chemistry in university and CRO (Contract Research Organization) laboratories.

Basic Information

Product Name	3-Acetyl-8-Methoxy-2-Methyl-1H-Naphtho[2,1-B]Pyran-1-One
CAS No.	55044-50-3
Molecular Formula	C₁₇H₁₄O₄
Molecular Weight	282.29 g/mol
Synonyms	3-Acetyl-8-methoxy-2-methyl-1H-naphtho[2,1-b]pyran-1-one; 8-Methoxy-3-acetyl-2-methyl-1H-naphtho[2,1-b]pyran-1-one; 2-Methyl-3-acetyl-8-methoxynaphtho[2,1-b]pyran-1-one; Naphtho[2,1-b]pyran-1-one, 3-acetyl-8-methoxy-2-methyl-; 55044-50-3; 3-Acetyl-8-methoxy-2-methyl-1H-benzo[f]chromen-1-one
EINECS	Contact for details

Quality Control

Our 3-Acetyl-8-Methoxy-2-Methyl-1H-Naphtho[2,1-B]Pyran-1-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your research and development requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at 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)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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