Melatonin Chinese name: Melatonin English name: English: melatonin Alias: Merah ketone Ning, inhibiting melanin, the pineal gland hormone [1] Chemical Name:? N- acetyl-5-methoxytryptamine [2 ?] Structure formula: C13N2H16O2 Molecular Weight: 232.27 Melting point: 116 ℃ ~ 118 ℃ CAS Number: 73-31-4 Appearance: white powder is present in a large number of hormones from algae to humans and other organisms, which in organisms the levels change over time and changes daily. Function: Melatonin is the most important high-performance brain endogenous antioxidants, have a protective effect on the brain, it can effectively improve sleep, melatonin supplements can effectively improve the proper quality of sleep, slow pace of human aging, For habitual insomnia You Youming significant help.