Description

Fisetin is a naturally occurring flavonoid polyphenol, recognized for its potent antioxidant and bioactive properties. This high-purity compound is critical for research and development in the life sciences, where consistent quality and reliable supply are paramount. It serves as a key ingredient for manufacturers in the nutraceutical, cosmeceutical, and pharmaceutical industries, as well as a vital reference standard for analytical laboratories worldwide.

Application

• Nutraceutical Formulations: Used as a primary active ingredient in dietary supplements targeting cellular health and antioxidant support.
• Cosmeceutical Products: Incorporated into anti-aging and skin-protective creams and serums for its antioxidant and potential skin-brightening effects.
• Pharmaceutical Research: Serves as a lead compound or reference standard in preclinical studies investigating various therapeutic pathways.
• Biochemical Research: Employed as a tool compound in cell biology and biochemistry to study enzyme inhibition, signal transduction, and oxidative stress.
• Analytical Standards: Essential as a high-purity reference standard for HPLC, LC-MS, and other analytical methods in quality control laboratories.
• Functional Food & Beverage: Added to health-focused food and drink products to enhance their bioactive profile.

Basic Information

Product Name	Fisetin
CAS No.	528-48-3
Molecular Formula	C15H10O6
Molecular Weight	286.24 g/mol
Synonyms	3,3',4',7-Tetrahydroxyflavone; 5-Deoxyquercetin; Fisetholz; Fustel; Fustet; Cotinin; 2-(3,4-Dihydroxyphenyl)-3,7-dihydroxychromen-4-one
EINECS	208-434-6

Quality Control

Our Fisetin is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, heavy metals screening, and residual solvent analysis, to ensure it meets stringent specifications for research and commercial use. Certificates of Analysis (COA) documenting full compliance are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. Due to its light-sensitive and easily oxidized nature, prolonged exposure to light, air, or elevated temperatures should be avoided to maintain stability and potency. For long-term storage, consider an inert atmosphere.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥95.0%
Loss on Drying	≤2.0%
Residue on Ignition	≤0.5%
Heavy Metals (as Pb)	≤20 ppm

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