Description

5-Methoxy-2-Methyl-4H-Naphtho[2,3-B]Pyran-4-One is a high-purity, synthetic organic compound belonging to the naphthopyranone class. This specialized chemical serves as a critical advanced pharmaceutical intermediate (API) and a versatile building block in fine chemical synthesis. It is essential for research and production in the pharmaceutical and agrochemical industries, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug molecules, particularly those with fused polycyclic structures.
• Agrochemical Research: Used as a core scaffold for developing novel active ingredients with potential herbicidal or fungicidal properties.
• Organic Light-Emitting Diodes (OLEDs): Acts as a potential electron-transport material or host matrix in the development of organic electronic devices.
• Dye & Pigment Intermediate: Serves as a building block for creating specialized dyes and pigments due to its conjugated naphthopyranone core.
• Academic & R&D: Utilized in university and corporate laboratories for methodological studies in heterocyclic and medicinal chemistry.
• Material Science: Investigated for use in the synthesis of novel polymers and advanced functional materials.

Basic Information

Product Name	5-Methoxy-2-Methyl-4H-Naphtho[2,3-B]Pyran-4-One
CAS No.	55134-00-4
Molecular Formula	C₁₅H₁₂O₃
Molecular Weight	240.26 g/mol
Synonyms	5-Methoxy-2-methyl-4H-naphtho[2,3-b]pyran-4-one; 2-Methyl-5-methoxy-4H-naphtho[2,3-b]pyran-4-one; 5-Methoxy-2-methylnaphtho[2,3-b]pyran-4-one; NSC 339586; Naphtho[2,3-b]pyran-4-one, 5-methoxy-2-methyl-; 4H-Naphtho[2,3-b]pyran-4-one, 5-methoxy-2-methyl-
EINECS	Contact for details

Quality Control

Our 5-Methoxy-2-Methyl-4H-Naphtho[2,3-B]Pyran-4-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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