Pure Melatonin 98%99%

1.Melatonin
2.Assay:98%
3.Function:improve sleep and other functions
4.Melatonin has a good light, heat stability, slightly
Melatonin
content:98%
improve sleep and other functions
Product Description
[product name ] Melatonin (for medicine)
[Properties] Melatonin has a good light, heat stability, slightly soluble in water, soluble in water and propylene
Glycol, water-soluble alcohol, acid, alkali and salt water, insoluble in other organic solvents and oils maximum UV absorption wavelength of 728nm, and has intrinsic fluorescence.
[Chemical Formula] C13H16N2O2
[CAS No. ] 73-31-4
[Specifications]
Appearance: White or almost white powder
Active Content: 99% 9(min)
pH value (25oC, saturated aqueous solution): 6.00 +( -) 1.00
Loss on drying (120oC, 120 minutes); 1.5% (max)
Residual Solvents:; 1000ppm (max)
Heavy metals (Pb): 20ppm (max)
Arsenic (As2O3 dollars): 5ppm (max)
The total number down bacteria: 3000 / g, (max)
Mold: 1000 / g, (max)