Amantadine hydrochloride CAS#665-66-7 Pharma Grade USP Standard
| Item | Specification | Result | |
| Appearance | White or practically white,crystalline powder | White crystals | |
| Identification A (IR) | Spl.spectrum coplies with Std. | Conforms | |
| Assay | 98.5%-101.5% | 100.1% | |
| Impurities | |||
| Heavy metals | ≤10ppm | <10ppm | |
| Individual impurities | ≤0.3% | 0.04% | |
| Total impurities | ≤1.0% | 0.1% | |
| PH | 3.0-5.5 | 4.0 | |
| Clarity and color of solution | clear,nearly colorless | Clear,colorless | |
| Loss on drying | ≤0.5% | 0.2% | |