Rimantadine HCl

Specifications:
1) Appearance: white crystalline powder
2) Identification (IR): positive
3) Residue on ignition: 0.1% max.
4) PH: 4.5 ~ 6.5
5) Loss on drying: 0.5% max.
6) Sulfate: 0.05% max.
7) Ammonium salt: 0.08% max.
8) Related substances (TCL): 1.0% max.
9) Heavy metals: 10ppm max.
10) Clarity of solution: ≤1# reference suspension
11) Color of solution: ≤2# yellow reference suspension
12) Assay: 99.0% min.