chxubo@ hotmail.com Molecular Formula C10H12FN5O4 Molecular Weight 285.23 CAS No 21679-14-1 Property It is white or white-like crystal powder Melting Point 252.0-258.0 centigrade Frying loss The loss should be less than 3% . Content Content 98% ~ 102.0% . Storage Avoid light, selaed and in cold place