SPECIFICATION
| Appearance | white or almost white, crystalline powder. |
| ldentification | lnfrared Absorption |
| Appearance of solution | Meets the requirements. |
| Water | ≤6.0% |
| Sulfated ash | ≤0.1% |
| Water | ≤0.2% |
| Sulfated ash | ≤0.1% |
| Related substances: | |
| lmpurity B | ≤0.7% |
| lmpurity o | ≤.0.3% |
| Each impurity (impurities A,G,J,N,P) | ≤0.2% |
| Each impurity (impurities C, F,l) | ≤0.1% |
| Unspecified impurities | ≤0.05% |
| Total impurities | ≤1.5% |
| Assay | 98.5% - 101.0% |
Molecular Structure:
Molecular Formula: C8H11N5O3
Molecular Weight: 225.2
Description: White crystalline powder, odorless and tasteless. Slightly soluble in water. Melting point 256.5--257 ℃ (methanol).
Application: A broad-spectrum antiviral drug, containing purine nuclear compounds, which are converted into triphosphate compounds in the body, interfere with viral DNA polymerase, inhibit viral DNA replication and play an antiviral role. It has a strong effect on virus.
Packing and Storage: Preserve in tight containers. Store at room temperature. Protect from light and moisture.
Minimum Order: One package
