Description

5,8-Dihydroxy-2-Methyl-4H-Naphtho[2,3-B]Pyran-4,6,9-Trione is a complex, multi-functional organic compound belonging to the naphthopyrone class. This high-purity intermediate is valued for its unique fused-ring structure and reactive quinone and hydroxyl functionalities, making it a critical building block for advanced synthesis. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzymatic pathways where its fused-ring quinone core is pharmacologically active.
• Agrochemical Research: Used in developing new generations of fungicides or herbicides, leveraging its bioactive naphthopyrone structure for targeted crop protection.
• Organic Synthesis Building Block: Employed in complex multi-step organic syntheses to construct sophisticated molecular architectures for advanced materials and fine chemicals.
• Dye & Pigment Intermediate: Acts as a starting material for synthesizing specialized dyes and pigments, where its conjugated system and hydroxyl groups influence color properties.
• Biochemical Research: Utilized in academic and industrial research as a standard or probe molecule for studying redox processes and biological activity.
• Material Science: Investigated for potential use in creating organic electronic components or photoactive materials due to its electron-accepting quinone moiety.

Basic Information

Product Name	5,8-Dihydroxy-2-Methyl-4H-Naphtho[2,3-B]Pyran-4,6,9-Trione
CAS No.	62681-86-1
Molecular Formula	C₁₄H₈O₆
Molecular Weight	272.21 g/mol
Synonyms	2-Methyl-5,8-dihydroxy-4H-naphtho[2,3-b]pyran-4,6,9-trione; Naphtho[2,3-b]pyran-4,6,9-trione, 5,8-dihydroxy-2-methyl-4H-; 5,8-Dihydroxy-2-methyl-4H-benzo[g]chromene-4,6,9-trione; 2-Methylnaphtho[2,3-b]pyran-5,8-diol-4,6,9-trione
EINECS	Contact for details

Quality Control

Our 5,8-Dihydroxy-2-Methyl-4H-Naphtho[2,3-B]Pyran-4,6,9-Trione is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and industrial synthesis. Each lot is analyzed using advanced techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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