Description

3,3',4',5,5',7,8-Heptahydroxyflavone is a highly hydroxylated polyphenolic compound belonging to the flavonoid class. This structure is significant for its potent antioxidant and metal-chelating properties, which are of great interest in research and development. It serves as a valuable reference standard and intermediate for the pharmaceutical, nutraceutical, and cosmetic industries, particularly in studies related to oxidative stress and natural product chemistry.

Application

• Pharmaceutical Reference Standard: Used for the identification, assay, and quality control of flavonoid-based drugs and herbal extracts in analytical laboratories.
• Nutraceutical Research: Investigated as a key active ingredient or biomarker in the development of dietary supplements targeting antioxidant defense.
• Cosmetic Science: Studied for potential application in anti-aging and skin-protective formulations due to its radical-scavenging activity.
• Biochemical Research: Employed as a tool compound in studies of enzyme inhibition, signal transduction pathways, and cellular oxidative mechanisms.
• Natural Product Chemistry: Serves as a critical intermediate or comparative standard in the synthesis and isolation of complex polyphenols.
• Food Science: Used in research to understand the stability and bioavailability of polyphenolic antioxidants in functional foods.

Basic Information

Product Name	3,3',4',5,5',7,8-Heptahydroxyflavone
CAS No.	577-24-2
Molecular Formula	C₁₅H₁₀O₉
Molecular Weight	334.23 g/mol
Synonyms	Norathyriol; 3,3',4',5,5',7,8-Heptahydroxyflavone; 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-8-chromenone; 3,5,7,3',4',5',8-Heptahydroxyflavone
EINECS	Contact for details

Quality Control

Our 3,3',4',5,5',7,8-Heptahydroxyflavone is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) detailing all specifications are available upon request.

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 sensitivity to oxidation, long-term storage under an inert atmosphere is recommended for optimal stability.

Specification

Item	Specification
Appearance	Yellow to brown powder
Identification (HPLC/UV)	Conforms
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.