Melatonin CAS 73-31-4 exists in White or pale-white crystalline powder, also known as MEL. Melatonin is naturally produced in the body in response to the perception of light,Melatonin has been used to ease insomnia, combat jet lag, protect cells from free-radical damage, boost the immune system, prevent cancer, and extend life.
Appearance: White or pale-white crystalline powder
Identification: positive reaction
Loss on drying: 0.5%MAX
Residue on ignition: 0.1%MAX
Heavy metal: 10ppmMAX
Melting point: 117~120℃
Particle size: 80-120mesh