Melatonin

Melatonin is a substance excreted by the pineal body. It is widely exist in prokaryote,monad,fungi,plants,invertebrate and vertebrate.

Main technical index:[Appearance]White or similar to white crystal powder

[Identification]Positive reaction

[Melting point]117-120°C

[Drying loss]≤0.5%

[Residue on ignition]≤0.5%

[Assay] ≥99.0%

Molecular formula:C₁₃H₁₆N₂O₂

SAtructural formulae: