Description

2-[(1E)-2-(3,5-Dihydroxyphenyl)Ethenyl]-1,3-Benzenediol is a specialized polyphenolic stilbene derivative of significant interest in advanced chemical synthesis and life science research. This compound serves as a key intermediate or reference standard for the development of novel bioactive molecules and functional materials. It is primarily utilized by pharmaceutical R&D, fine chemical synthesis, and academic research institutions focused on antioxidant, anti-inflammatory, or photochemical applications.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of novel drug candidates, particularly those targeting oxidative stress pathways.
• Biochemical Research: Used as a reference standard or probe in studies investigating antioxidant mechanisms, enzyme inhibition, and cellular signaling.
• Fine Chemical Synthesis: Acts as a precursor for the production of specialized polymers, dyes, or advanced organic materials with specific optical properties.
• Cosmeceutical Ingredient Development: Explored for potential use in premium skincare formulations due to its polyphenolic structure associated with antioxidant activity.
• Academic & Industrial R&D: Employed in fundamental research on stilbene chemistry, photostability, and structure-activity relationships (SAR).

Basic Information

Product Name	2-[(1E)-2-(3,5-Dihydroxyphenyl)Ethenyl]-1,3-Benzenediol
CAS No.	86361-55-9
Molecular Formula	C14H12O4
Molecular Weight	244.24 g/mol
Synonyms	(E)-3,5,4'-Trihydroxystilbene; 3,5,4'-Trihydroxy-trans-stilbene; trans-3,5,4'-Trihydroxystilbene; 4-[(1E)-2-(3,5-Dihydroxyphenyl)ethenyl]benzene-1,3-diol; Piceatannol (common reference); Astringinin; 3,3',4,5'-Tetrahydroxy-trans-stilbene (isomeric reference).
EINECS	Contact for details

Quality Control

Our 2-[(1E)-2-(3,5-Dihydroxyphenyl)Ethenyl]-1,3-Benzenediol is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with detailed HPLC/GC profiles, confirming compliance with agreed specifications for research and industrial use.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%

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