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Zhejiang Guoguang Technology Group Hangzhou Fly IMP. & EXP. CO.,LTD
 
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Zhejiang Guoguang Technology Group Hangzhou Fly IMP. & EXP. CO.,LTD
[China]
Address:
14F, WuKuang Mansion ,310#North ZhongShan Road.Hangzhou.Zhejiang Hangzhou Zhejiang 310003 China
Phone:
86-135-88477542
Contact name:
frank fang
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Zhejiang Guoguang Technology Group Hangzhou Fly IMP. & EXP. CO.,LTD



 
Raw Pharmaceuticals

Melatonine

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Melatonine

Click to enlarge image


 

Test

Specifications

Result

Assay by HPLC:

≥99% 

99.86%

Appearance:

Pale yellow to white powder

Complies

PH:

 5.0-7.0

6.2

Solubility:

Soluble in water

Complies

Loss on drying %:

≤1%  

0.22%

Residual Solvents:

≤1000ppm 

Complies

Heavy metals PPM:

<10ppm 

Complies

As

≤1ppm

Complies

Microbiology:

Total Plate Count:

Yeast & Mold:

E.Coli:

S. Aureus:

Salmonella:

 

<1000cfu/g

<100cfu/g

Negative

Negative

Negative

 

Complies

Negative

Complies

Complies

Complies

Conclusion:

Conform with specification




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