| Customization: | Available |
|---|---|
| Certification: | HACCP |
| Storage Method: | Normal |
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Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
[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%
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Testing terms |
Standards |
Results |
|
Assay |
95.0%~102.0% |
99.9% |
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PH |
3.5~5.5 |
4.6 |
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Appearance of solution |
0.5mol/L HCL≤2# 2mol/L NH4 OH≤2# |
1# 1# |
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Water |
11.5%~14.5% |
13.2% |
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Related substances |
Impurity (max.)≤1.0% |
0.13% |
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Specific optical rotation |
+290''~+315'' |
+305° |
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Sulfated ash |
≤1.0% |
0.1% |
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N-N-Dimethylannline |
≤20ppm |
Never used in the production |
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Methylen chloride |
≤600ppm |
296ppm |
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|
≤320ppm |
155ppm |
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≤3000ppm |
95ppm |
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Conclusion:complies with EP 6th Standard. |
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1. You can chat with us via Trade Manager online.
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2. How to confirm the Product Quality before placing orders?
Answer:
1. If stock specifications, you can get free samples from us, and you only need to pay the express fee or arrange a courier to us and take the samples.
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4. Can I make a small order?
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1.Yes, Our Mininum Order is 1kg, and it will be packed in the small bag, Alunium foil bag, sealed.
2. You can choose to pay via paypal, or other online pay method.
5. How many days the small order would arrive?
Answer:
1. By DHL, Fedex, TNT, UPS, in 5-7 days
2. By EMS, in 10-15days
6. How is the after sales service?
Answer:
- Customers' Benefits as Our Working Goal and Reliable Quality as our Surviving Base
- Customer Feedback is the source of our Business
- Customer Recognition is the powder of our Service
- We seriously promise here all of the products from RD Health Ingredients will definitely 101% top quality.
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