Description

3,5,8-Trihydroxy-7,4'-Dimethoxyflavone is a specialized polymethoxyflavone derivative, a subclass of flavonoids known for their significant biological activity. This compound is valued for its role as a high-purity reference standard and active ingredient in advanced research and development. It is primarily sought by the pharmaceutical, nutraceutical, and cosmetic industries for applications in antioxidant formulations, metabolic research, and the development of novel therapeutic agents. Our supply ensures consistent quality and reliable availability for critical B2B applications.

Application

• Pharmaceutical Reference Standard: Used as a certified reference material (CRM) for quality control and analytical method development in drug discovery and manufacturing.
• Nutraceutical Ingredient: Incorporated into dietary supplements and functional foods for its potential antioxidant and bioactive properties.
• Cosmetic Actives: Formulated into anti-aging and skin-protective serums and creams due to its flavonoid-based activity.
• Biochemical Research: Serves as a key intermediate or inhibitor in studies focusing on enzyme interactions, signal transduction pathways, and metabolic processes.
• Natural Product Isolation & Standardization: Acts as a marker compound for the standardization of botanical extracts containing complex flavonoid mixtures.

Basic Information

Product Name	3,5,8-Trihydroxy-7,4'-Dimethoxyflavone
CAS No.	70703-48-9
Molecular Formula	C₁₇H₁₄O₇
Molecular Weight	330.29 g/mol
Synonyms	7,4'-Dimethoxy-3,5,8-trihydroxyflavone; 3,5,8-Trihydroxy-7,4'-dimethoxyflavone; Flavone, 3,5,8-trihydroxy-7,4'-dimethoxy-; 5,8-Dihydroxy-7,4'-dimethoxyflavon-3-ol
EINECS	Contact for details

Quality Control

Every batch of 3,5,8-Trihydroxy-7,4'-Dimethoxyflavone is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure identity, purity, and consistency, meeting the requirements for research and commercial use. A Certificate of Analysis (COA) detailing purity (typically ≥95% to ≥98% by HPLC), identification, and impurity profiles is supplied with each shipment. Our quality commitment supports applications requiring GMP-grade materials and reference standards.

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 easily oxidized; for long-term storage, consider under an inert atmosphere such as argon or nitrogen to preserve stability and prevent degradation.

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%
Heavy Metals	≤20 ppm

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