[Chemical name]：（ 3 R, ,5 aS ,6 R ,8a S ,9 R ,12 S ,12 aR ） - octahydro -3,6,9- trimethyl -3,12- epoxy -12 H - pyrano [4,3- j ]-1,2 benzodioxepin -10 （ 3 H ） - one                                                
[Molecular formula]： C15H24O5
[Molecular weight]：284.35
[Producing area]：Shaanxi, China
[CAS Number]：71939-50-9
[Product resource]： Dihydroartemisinin is a high-tech product which is obtained after science refining and half-synthesis process. It is an artemisinin derivative with high anti-malaria property.
[Specification]： 98% Min by HPLC
[Properties]： Achromatism injection form crystal; no foul smell; bitter taste.
[Application scope]：Anti-malaria medicine.
[Package]：25kg net weight cardboard drums (37cm diameter, 50cm height), double-decked plastic bags inside.
[Storage]： Keep in sealed, shadow, cool and dry area.
[Shelf life]：3 year