
| Product Name | Acyclovir |
| CAS | 59277-89-3 |
| Appearance | white powder |
| MF | C8H11N5O3 |
| Purity | 99% min |
| Usage | Pharmaceuticals |
| Storage | Keep in cool & dry place, stay away from strong light and heat |
| Shelf Life | 24 months |

| ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | A white or almost white crystalline powder | A white crystalline powder |
| Identification Infrared absorption Retention time (HPLC) | Positive Positive | Conform Conform |
| Ordinary Impurities Total impurities (TLC) | ≤1% | <0.5% |
| Water | ≤6.0% | 5.0% |
| Residual solvent (GC) | ≤500ppm | <9ppm |
| Assay and limit for guanine (HPLC) Assay: (on the anhydrous basis) Guanine | 98.0-101.0% ≤0.7% | 100.0% 0.14% |
| Conclusion: It conforms to USP 32 standard. | ||





