| Customization: | Available |
|---|---|
| Function: | Anti-Viral |
| Certification: | GMP, FDA, ISO |
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| ITEMS | STANDARDS | RESULTS |
| APPEARENCE | White or almost white crystalline powder | Almost White powder |
| SOLUBILITY | Slightly soluble in water, hardly soluble in ethanol, does not dissolve in oils and fats, soluble in dilute acid, dilute alkali. | Complies |
| IDENTIFICATION | IR: The IR spectrum of sample should be concordant with the spectrum of working standard. | Complies |
| TLC: The principal spot in the chromatogram obtained with the test solution should be similar in position, colour to the principal spot in the chromatogram obtained with reference solution. | Complies | |
| Chemical test: Should develop dark yellow colour | Complies | |
| APPEARANCE OF SOLUTION (IN HCL/NH4OH) |
Not more opalescent than reference suspension | Complies |
| PH | 3.5~5.5 | 5.1 |
| SPECIFIC OPTICAL ROTATION | +290°~+315° | +301° |
| WATER | 11.5%~14.5% | 12.5% |
| SULFATED ASH | ≤1.0% | 0.02% |
| RESIDUAL SOLVENTS | Methanol: ≤3000ppm | 100ppm |
| Acetone: ≤5000ppm | ND | |
| N,N-Dimethylaniline: ≤20ppm | Complies | |
| RELATED SUBSTANCES | Any impurity: ≤1.0% | 0.30% |
| ASSAY(ANHYDROUS) | 95.0%~102.0% | 99.0% |
| BULK DENSITY | ≥ 0.5g/ml | 0.63g/ml |
| TAPPED DENSITY | ≥ 0.7g/ml | 0.91g/ml |
| REFERENCE STANDARD | BP Standard | |
| CONCLUSION | The product complied to BP standard. | |
| STORAGE | Preserve in tight,light-resistant containers in a cool place | |
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