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Fisetin CAS 528-48-3

Lacubine is a natural carotenoid compound belonging to the beta carotene family. It is a yellow pigment widely present in many fruits and vegetables, such as carrots, pumpkins, citrus fruits, etc. Lacquer flavonoids have various biological activities such as antioxidant, anti-inflammatory, and anticancer, and are considered beneficial to human health.

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Model:
528-48-3
Brand:
bosschem
Code:
528-48-3

Product Description

Fisetin

CAS 528-48-3

Alias：fisetholz;fustel;fustet;jungerfustik;superfustel;superfustelk;ungarischesgelbholz;3,7,3',4'-TETRAHYDROXYFLAVONE

Molecular formula：C15H10O6

Molecular weight：286.24

Structural formula：

漆黄素结构式

1.Performance and use

Can be used as raw materials for pharmaceuticals, health products, and food additives

2.Technical indicators

Description Odor&Taste ldentification	Light yellow fine powder Characteristic HPLC retention time correspond to WRS	Visual Organoleptic HPLC
Purity	Not less than 98.0%	HPLC
Assay (ODB)	Contains not less than 98.0%of Fisetin	HPLC
Loss on Drying	Not more than 2.0%	USP<731>
Residue on lgnition	Not more than 2.0%	USP<281>
Particle size	100%Passes through 40 mesh.	USP<786>
Bulk density(Tapped)	0.3-0.6 g/ml	USP<616>
Residual solvents	[1]Ethanol:Not more than 0.5%	USP<467>
Residual pesticides	[2]Methanol:Negative Under USP<565>limits	USP<467> USP<565>
Heavy metals	[1]Total:Not more than 10.0 mg/kg	USP<233>ICP-MS
	[2]Lead:Not more than 0.5 mg/kg	USP<233>ICP-MS
	[3]Arsenic:Not more than 1.5 mg/kg [4]Mercury:Not more than 1.5 mg/kg	USP<233>ICP-MS USP<233>ICP-MS
	[5]Cadmium:Not more than 0.5 mg/kg	USP<233>ICP-MS
Total plate count	Not more than 1,000 cfu/g	USP<61>
Yeast &molds	Not more than 100 cfu/g	USP<61>
E.coli	Negative in 25 g	USP<62>
Salmonella	Negative in 25g	USP<62>

3. Packaging and storage

Packaging specification: 25kg/drum.

During transportation, it is necessary to protect against sunlight, rain, and high temperatures.

The product should be stored in a cool, dark, ventilated place, away from sources of fire.

4. Safety protection

Pay attention to labor protection when handling it and avoid contact with skin, eyes, etc.

After contact, rinse immediately with plenty of water

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Controllable quality

Each batch comes with TDS/MSDS/COA; accepts third-party testing (SGS, etc.)

Chemical detection methods

Spectroscopic Analysis Methods

Ultraviolet-Vis Spectrophotometry (UV-Vis)
Infrared Spectroscopy (IR/FTIR)
Atomic Absorption Spectroscopy (AAS)
X-ray Fluorescence Spectroscopy (XRF)
Nuclear Magnetic Resonance Spectroscopy (NMR)

Chromatographic Analysis

Gas Chromatography (GC)
High Performance Liquid Chromatography (HPLC)
Ion Chromatography (IC)
Thin Layer Chromatography (TLC)

Mass Spectrometry Analysis

GC-MS / LC-MS/MS: Qualitative and Quantitative Analysis
ICP-MS: Trace Metal Elements (ppb Level)
TOF-MS: Precise Molecular Weight Determination

Electrochemical analysis methods

Polypotentiometric methods
Conductivity methods
Polarographic methods / Voltammetric methods
Coulometric analysis

Thermal Analysis Methods

Thermogravimetric Analysis (TGA)
Differential Scanning Calorimetry (DSC)
Differential Thermal Analysis (DTA)

Classical wet chemical analysis

Titration analysis
Gravity analysis