Fisetin (CAS: 345909-34-4) is a naturally occurring flavonol compound widely found in fruits (strawberries, apples) and vegetables (onions). Recognized for its potent ​antioxidant, anti-inflammatory, anti-aging, and neuroprotective​ properties, it is listed by the U.S. FDA as a dietary supplement (GRAS-certified) and included in the European Pharmacopoeia (EP 10.0). In 2023, WHO identified it as a potential anti-aging candidate drug.

Product Name: Fisetin

IUPAC Name: 2-(3,4-Dihydroxyphenyl)-3,7-dihydroxy-4H-chromen-4-one

CAS No.​: 345909-34-4

Molecular Formula: C₁₅H₁₀O₆