Description

2-[(E)-2-(3,5-Dihydroxyphenyl)Ethenyl]-5-Hydroxy-6,7,8-Trimethoxy-3-Methyl-4H-1-Benzopyran-4-One is a specialized flavonoid derivative with a complex polyphenolic structure, offering significant value as a high-purity reference standard and a key synthetic intermediate. Its precise molecular architecture makes it a compound of interest for advanced research and development in life sciences. This product is essential for pharmaceutical R&D, academic research, and fine chemical synthesis targeting bioactive molecules.

Application

• Pharmaceutical Reference Standard: Used for the identification, purity assessment, and quantification in analytical method development and quality control (QC) for drug substances and natural product extracts.
• Biochemical Research: Serves as a key intermediate or probe in studying biological pathways, enzyme inhibition, and structure-activity relationships (SAR) due to its flavonoid core.
• Fine Chemical Synthesis: Acts as a crucial building block for the synthesis of novel, complex organic molecules with potential therapeutic applications.
• Natural Product Chemistry: Used as an analytical standard for the isolation, characterization, and standardization of plant-derived compounds and herbal preparations.
• Academic & Institutional Research: Employed in universities and research institutes for fundamental studies in organic chemistry, medicinal chemistry, and phytochemistry.

Basic Information

Product Name	2-[(E)-2-(3,5-Dihydroxyphenyl)Ethenyl]-5-Hydroxy-6,7,8-Trimethoxy-3-Methyl-4H-1-Benzopyran-4-One
CAS No.	103654-49-5
Molecular Formula	C21H20O8
Molecular Weight	400.38 g/mol
Synonyms	5-Hydroxy-6,7,8-trimethoxy-3-methyl-2-[(E)-2-(3,5-dihydroxyphenyl)ethenyl]-4H-chromen-4-one; 3-Methyl-5-hydroxy-6,7,8-trimethoxy-2-[(E)-2-(3,5-dihydroxyphenyl)vinyl]-4H-chromen-4-one; Flavonoid derivative CAS 103654-49-5; (E)-2-(3,5-Dihydroxystyryl)-5-hydroxy-6,7,8-trimethoxy-3-methyl-4H-chromen-4-one
EINECS	Contact for details

Quality Control

Our 2-[(E)-2-(3,5-Dihydroxyphenyl)Ethenyl]-5-Hydroxy-6,7,8-Trimethoxy-3-Methyl-4H-1-Benzopyran-4-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (IR, NMR, MS), to ensure it meets the high standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing all specifications 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). Due to its light-sensitive nature and propensity for oxidation, it is recommended to store the product under an inert atmosphere for long-term preservation. Keep away from heat and incompatible materials.

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%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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