Description

trans-2,3,cis-3,4-4-Ethoxy-4',7,8-Trimethoxy-3-Flavanol CAS NO 16821-15-1 is a specific, high-purity flavanol derivative, a compound of significant interest in advanced chemical synthesis and research. Its defined stereochemistry and methoxy/ethoxy substitution pattern make it a valuable building block and reference standard for developing novel bioactive molecules. This product is essential for B2B clients in the pharmaceutical R&D, nutraceutical, and fine chemical synthesis sectors who require structurally precise intermediates.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor for the synthesis of potential therapeutic agents targeting oxidative stress and inflammation.
• Reference Standard: Used in analytical laboratories for method development, validation, and quality control of flavonoid-based products.
• Nutraceutical Research: Investigated as a lead compound or metabolite in studies related to bioactive flavonoids and their health benefits.
• Chemical Biology Probe: Utilized in research to study enzyme interactions, receptor binding, and biological pathways involving flavanols.
• Fine Chemical Synthesis: Acts as a specialized building block for creating complex, value-added molecules for agrochemical and material science applications.

Basic Information

Product Name	trans-2,3,cis-3,4-4-Ethoxy-4',7,8-Trimethoxy-3-Flavanol
CAS No.	16821-15-1
Molecular Formula	C20H22O7
Molecular Weight	374.38 g/mol
Synonyms	4'-Ethoxy-3,7,8-trimethoxyflavan-3-ol; 3,3',4',7,8-Pentamethoxyflavanol; 3-Hydroxy-4'-ethoxy-3',7,8-trimethoxyflavane; 2,3-trans-3,4-cis-4'-Ethoxy-3',7,8-trimethoxyflavan-3-ol; Flavan-3-ol, 4'-ethoxy-3,7,8-trimethoxy-; (2R,3R,4S)-4'-Ethoxy-3',7,8-trimethoxyflavan-3-ol
EINECS	Contact for details

Quality Control

Our trans-2,3,cis-3,4-4-Ethoxy-4',7,8-Trimethoxy-3-Flavanol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and chiral analysis to confirm stereochemical integrity, ensuring it meets the high standards required for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurities is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Chiral Purity	≥ 98.0% de (2,3-trans; 3,4-cis)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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