Serotonin is a monoamine neurotransmitter.Identity:Proton NMRMelting Point:As ReportedSolubility:ddH2O: soluble @17mg/ml0.1 M HCl: soluble @22mg/mlethanol: soluble @5.3mg/mlWater Content:As ReportedStorage and Stability:Lyophilized powder may be stored at 4°C. Stable for 6 months.