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melatonin

Country of Origin︰China
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Product Description
Product name： melatonin
CAS Number： 608-07-1
Quality standards：  
Packaging：  
Price：  
Detailed information：
Items of analysis
Specification
Results
 
identifation:
 
positive reaction
 
 
characteristic:
 
white crystal or white crystalline powdwer
 
 
 
assay(TCL):
≥99%
≥99.0%
 
Loss on drying:
0.5% MAX
 
0.15%
 

residue on ignition:
≥0.5% MAX
 
0.1%
 
Heavy metal:
20 PPM MAX
＜20PPM MAX
 
(HPLC):
≥99.0%
 
99.5%

Result
Qualified

Remark
The quantity of sample’s microbe maybe higher than real product’s.


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