| Function: | Anti-Rheumatism |
|---|---|
| Certification: | GMP, FDA, ISO |
| Grade Standard: | Medicine Grade |
| Type: | Chemicals |
| State: | Solid |
| Volatile: | Not Volatile |
| Samples: |
|---|
| Customization: |
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| Items | Standards | Results |
| Appearance | White or off-white solid powder | Complies |
| Identification | By IR | Complies |
| By HPLC | Complies | |
| Solubility | Freely soluble in DMSO, soluble in water, almost insoluble in ethanol | Complies |
| Water Content | ≤1.00% | 0.16% |
| Heavy Metals | ≤20ppm | Complies |
| Residue on Ignition | ≤0.10% | 0.04% |
| Residual Solvents | Ethanol: ≤ 5000ppm | Complies |
| Ethyl Acetate: ≤ 5000ppm | Complies | |
| Tetrahydrofuran: ≤ 720ppm | Complies | |
| Acetone: ≤ 5000ppm | Complies | |
| Related Substances | Maximum single impurity: ≤0.15% | 0.09% |
| Total impurities: ≤1.00% | 0.30% | |
| Purity(by HPLC) | ≥ 99.0% | 99.70% |
| Assay (HPLC basis on drying) |
98.0%~102.0% | 99.98% |
| Reference Standard | In-house Standard | |
| Conclusion | The product complied to In-house standard. | |
| Storage | Preserve in tight,light-resistant containers in a cool place | |
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