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
Structural formula:
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