Description

3,4,5,10-Tetrahydro-3β,4β,6-Trihydroxy-2β-Methyl-2H-Naphtho[2,3-B]Pyran-5,10-Dione is a complex, high-purity organic compound with a fused naphthopyran-dione structure. This compound is valued for its unique chemical scaffold, which serves as a critical intermediate in advanced synthetic organic chemistry and pharmaceutical research. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for the synthesis of novel active molecules.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those targeting complex biological pathways.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products.
• Fine Chemical Synthesis: Serves as a versatile precursor for creating specialty chemicals with specific functional properties.
• Academic & Industrial R&D: Essential for methodological studies in organic synthesis and catalysis due to its challenging, polyfunctional structure.
• Material Science Exploration: Potential precursor for organic electronic materials or dyes, given its conjugated system.

Basic Information

Product Name	3,4,5,10-Tetrahydro-3β,4β,6-Trihydroxy-2β-Methyl-2H-Naphtho[2,3-B]Pyran-5,10-Dione
CAS No.	41744-46-1
Molecular Formula	C₁₄H₁₂O₆
Molecular Weight	276.24 g/mol
Synonyms	2H-Naphtho[2,3-b]pyran-5,10-dione, 3,4,5,10-tetrahydro-3,4,6-trihydroxy-2-methyl-; 3,4,5,10-Tetrahydro-3,4,6-trihydroxy-2-methyl-2H-naphtho[2,3-b]pyran-5,10-dione; 2-Methyl-3,4,5,10-tetrahydro-3,4,6-trihydroxynaphtho[2,3-b]pyran-5,10-dione; NSC 407347; L-Ascorbic acid derivative (structural analog).
EINECS	Contact for details

Quality Control

Every batch of 3,4,5,10-Tetrahydro-3β,4β,6-Trihydroxy-2β-Methyl-2H-Naphtho[2,3-B]Pyran-5,10-Dione is manufactured and tested under a strict quality management system. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality and regulatory documentation.

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 sensitivity, the material should be stored under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
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.