Description

3-[4,5-Dihydroxy-2-[(E)-2-(4-Hydroxy-2-Oxo-2H-Pyran-6-Yl)Ethenyl]Phenyl]-6-[(E)-2-(3,4-Dihydroxyphenyl)Ethenyl]-4-Hydroxy-2H-Pyran-2-One is a complex polyphenolic compound belonging to the stilbene class, known for its significant biological activity and role as a key intermediate in specialized synthesis. This high-purity compound is valued for its potent antioxidant properties and serves as a critical building block for advanced research and development. It is essential for scientists and manufacturers in the pharmaceutical, nutraceutical, and advanced material science sectors seeking reliable, high-quality raw materials for innovative applications.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel therapeutic agents, particularly those targeting oxidative stress and inflammation.
• Nutraceutical & Dietary Supplement Research: Investigated for its potent antioxidant and potential bioactive properties in health and wellness product development.
• Biochemical & Life Science Research: Used as a standard or reagent in studies involving polyphenol chemistry, free radical scavenging assays, and cellular signaling pathways.
• Cosmeceutical Ingredient Development: Explored for formulating advanced skincare products due to its antioxidant and potential photoprotective characteristics.
• Organic Synthesis & Chemical Research: Acts as a sophisticated building block for synthesizing complex natural product analogs and novel chemical entities.
• Material Science: Investigated for potential use in developing functional polymers or coatings with specific UV-absorbing or antioxidant properties.

Basic Information

Product Name	3-[4,5-Dihydroxy-2-[(E)-2-(4-Hydroxy-2-Oxo-2H-Pyran-6-Yl)Ethenyl]Phenyl]-6-[(E)-2-(3,4-Dihydroxyphenyl)Ethenyl]-4-Hydroxy-2H-Pyran-2-One
CAS No.	62682-06-8
Molecular Formula	C26H18O10
Molecular Weight	490.42 g/mol
Synonyms	Piceatannol 3'-O-β-D-glucopyranoside (aglycone derivative); 6-[(E)-2-(3,4-Dihydroxyphenyl)ethenyl]-3-[4,5-dihydroxy-2-[(E)-2-(4-hydroxy-2-oxo-2H-pyran-6-yl)ethenyl]phenyl]-4-hydroxy-2H-pyran-2-one; Astringin aglycone isomer; Stilbene dimer derivative; Polyphenolic stilbene; (E)-Piceatannol-glucoside aglycone analog; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of 3-[4,5-Dihydroxy-2-[(E)-2-(4-Hydroxy-2-Oxo-2H-Pyran-6-Yl)Ethenyl]Phenyl]-6-[(E)-2-(3,4-Dihydroxyphenyl)Ethenyl]-4-Hydroxy-2H-Pyran-2-One adheres to stringent quality protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards suitable for research and development. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its sensitivity to light and propensity for oxidation, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep the container tightly sealed to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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