Description

4',5-Dihydroxy-2',3,6,7-Tetramethoxyflavone is a highly functionalized polymethoxyflavone, a subclass of flavonoids known for their diverse biological activities. This compound is valued for its role as a key reference standard and active research chemical in the development of nutraceuticals and pharmaceuticals. It is primarily sought by manufacturers and research institutions in the life sciences, phytochemical, and analytical chemistry sectors for its purity and structural specificity.

Application

• Pharmaceutical Reference Standard: Used for the qualitative and quantitative analysis of flavonoid-containing extracts in drug development and quality control laboratories.
• Nutraceutical & Dietary Supplement Research: Serves as a bioactive marker compound in studies investigating the health benefits of plant-based formulations.
• Biochemical Research: Employed in in vitro and cellular assays to study mechanisms related to antioxidant, anti-inflammatory, or other targeted biological pathways.
• Natural Product Isolation & Characterization: Acts as a critical comparative standard in the isolation, purification, and structural elucidation of complex flavonoid mixtures from botanical sources.
• Cosmeceutical Ingredient Development: Investigated for potential application in advanced skincare products due to the typical bioactive properties of polymethoxyflavones.

Basic Information

Product Name	4',5-Dihydroxy-2',3,6,7-Tetramethoxyflavone
CAS No.	28914-17-2
Molecular Formula	C₁₉H₁₈O₉
Molecular Weight	390.34 g/mol
Synonyms	5-Hydroxy-2-(4-hydroxyphenyl)-3,6,7-trimethoxy-4H-chromen-4-one; 3',4',5,6,7-Pentamethoxyflavone (isomeric); 5,4'-Dihydroxy-3,6,7,2'-tetramethoxyflavone; PMF derivative; Tetramethoxyflavone; Flavonoid Cpd 28914-17-2; 4H-1-Benzopyran-4-one, 5-hydroxy-2-(4-hydroxyphenyl)-3,6,7-trimethoxy-
EINECS	Contact for details

Quality Control

Our 4',5-Dihydroxy-2',3,6,7-Tetramethoxyflavone is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity verification and spectroscopic methods for identity confirmation, to ensure it meets the stringent requirements for research and development use. A Certificate of Analysis (COA) detailing all test results 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 (typically 15-25°C). This product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 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.