| Qualitative character |
| Should be colorless transparent liquid |
| Identify |
| Should be enhanced fluorescence reaction |
| Maximum light absorrptionin wave 266 ± 2 nm |
| Minimum light absorrptionin wave 228 nm |
| Check |
| pH 6.0 - 8.0 |
| Hyperchromic effect > 55% |
| Transparency > 98.0% |
| Content should be 90% - 110% of labelled amound |
| Others |
| Abnormal toxicity test should meet rule |
| Molicular Weight (1 mg/ml) above 4 s tRNA |
| Endotoxine < 100 EU/ml |
| Sterility test should meet rule |