Sign In | Join Free | My infospaceinc.com |
|
Product: Melatonin CAS:73-31-4;8041-44-9 M.F.:C13H16N2O2 M.W.:232.2783 Melting point:116-120℃ Appearance: white powder Package: 25kg/drum Spec:99%min Usage: used to treat circadian rhythm sleep ...