| ≥1 piece | 1 |
Assay (On anhydrous basis) | ≥99% |
| Identification | UV: Compare the spectrum with the reference spectrum |
| Chemical: Positive | |
| Water | ≤11.5% |
| Related substance(HPLC) | The largest area of peaks ≤0.5% |
| Total content ≤2.0% | |
| Appearance of solution | Clear and red color |
| Residual solvent | Acetone≤0.5% |
| Total plate count | ≤800cfu/g |
| Yeasts & moulds | ≤80cfu/g |
| E.coli | Negative |
| Appearance | Dark red crystals or crystalline powder |