Natural of Fisetin 98% CAS 528-48-3 Cotinus Coggygria Extract

• Powder: Yes
• Customized: Customized
• Certification: GMP, ISO 9001, USP, BP
• Suitable for: Elderly, Children, Adult
• Purity: >98%
• CAS: 528-48-3
• Model NO.: HNB-fisetin
• Molecular Weight: 286.23
• Molecular Formula: C15h10o6
• Transport Package: Aluminum Foil Bag/Drum
• Specification: 98%
• Trademark: HNB BIOTECH
• Origin: China-Xian

Product Description

                    Natural Of Fisetin 98% CAS 528-48-3 Cotinus coggygria extract   

 

[English name] Fisetin
[English alias] C.I. 75620; C.I. Natural Brown 1; Fisetin; 3,3,4,7-Tetrahydroxyflavone; 2-(3,4-dihydroxyphenyl)-3,7-dihydroxy-4H-chromen-4-one
[Molecular formula] C15H10O6
[Molecular Weight] 286.23
[Molecular structure] (Figure 1)
[CAS No.]528-48-3
[Detection method]High performance liquid chromatography HPLC≥98%

Testing terms	Standards	Results
Assay	95.0%~102.0%	99.9%
PH	3.5~5.5	4.6
Appearance of solution	0.5mol/L HCL≤2# 2mol/L NH4 OH≤2#	1# 1#
Water	11.5%~14.5%	13.2%
Related substances	Impurity (max.)≤1.0%	0.13%
Specific optical rotation	+290''~+315''	+305°
Sulfated ash	≤1.0%	0.1%
N-N-Dimethylannline	≤20ppm	Never used in the production
Methylen chloride	≤600ppm	296ppm
	≤320ppm	155ppm
	≤3000ppm	95ppm
Conclusion:complies with EP 6th Standard.