Appearance: White crystalline powder
Assay: 99% min.(HPLC)
Identification:
1) Solve 10mg of Oxiracetam into 2ml of water, add potassium permanganate
solution and sodium hydroxide solution, one drop for each, the solution turns
from purple to blue, till green.
2) Solve 10mg of Oxiracetam with one drop of hydrochloric acid, steam boiling
water bath, Add test solution of potassium iodate and 5% potassium iodide
solution, one drop for each, the solution appears brown, add one drop of
starch indication solution, the solution appears blue.
3) IR absorption spectrum of this product conforms with the standard one.