Xi'an Frankherb Biotech Co., Ltd.

99% Melatonin 73-31-4

Item No.: 73-31-4
1. Name: Melatonin
2. Appearance: White crystal powder
3. Purity: 99%
4. Effect:
Anti-aging effectively
Improve sleep quality
Block black speckle, Whitening-skin
Improve sexual functions of old
Cure melancholia, Alzheimer, Parkinson d
Description Product and Package Manufacturing and Shipping Methods Prices and Payment methods
We are the largest manufacturer for this item in China.
Product name Melatonin (N-Acetyl-5-methoxytryptamine) Country of Origin China
Cas No. 73-31-4 Odor Characteristic
Molecular Formula C13H16N2O2 Molecular Weight 232.28
Standard USP/BP
Function Main functions are as follows:
1. Improving sleeping quality.
2. Anti-aging, anti-tumor.
3. Getting the stronger immunity.
Applications Main applications are as follows:
Applied in health-care products and medicines. 
Packing 1kg /aluminium foil bag,  25kg/drum
Shelf Life 24 months
Storage Store in sealed containers at cool & dry place. Protect from light, moisture and pest infestation.
Items Specification


Characteristics White or pale-white crystalline powder Conforms
Assay    (HPLC or TLC) 99.00% 99.58%
Melting point() 117--120 118—119.5
Loss on drying(%) ≤0.5% 0.18%
Ash(%) ≤0.1% 0.07%
Heavy Metal 10ppm maximum Conforms
Lead 2ppm maximum Conforms
Arsenic 2ppm maximum Conforms
Mercury 1ppm maximum Conforms
Microbiological Items    
Total Plare Count 1000cfu/g Conforms
Yeast Mold 100cfu/g Conforms
E.coli Negative Conforms
Salmonella Negative Conforms

Small samples or 1kg/aluminum foil bag or 25kg/drum

If small orders, we will ship them by Fedex, TNT, UPS, European Special Line, USA Special Line, Australian Special Line and so on.   If big orders, we can ship it by air or sea.
We can communicate about the prices any time.
You can pay us by Wire Transfer or Wester Union or MoneyGram or Paypal.

My Paypal Account Information
: doctor@frankpowder.com
(Remarks: If you pay by Paypal, please pay another 4.5% bank fee and don't write your purchased product name in paypal web).